Home / 984,082.30-1,476,123.45-319,234.30

Finding the Fourth Proportional to 984,082.30, 1,476,123.45 and 319,234.30

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Solution

The fourth proportional to 984,082.30, 1,476,123.45 and 319,234.30 is: 478,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,082.30 : 1,476,123.45 = 319,234.30 : x
  2. Step 2: Convert to fraction form
    984,082.30/1,476,123.45 = 319,234.30/x
  3. Step 3: Cross multiply
    984,082.30x = 1,476,123.45 × 319,234.30
  4. Step 4: Simplify right side
    984,082.30x = 471,229,236,274.34
  5. Step 5: Solve for x
    x = 471,229,236,274.34/984,082.30
  6. Step 6: Final answer
    x = 478,851.45

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Half scale
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Double scale
Find fourth proportional to 984,083.30, 1,476,124.95 and 319,235.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.