Home / 738,232.90-1,107,349.35-644,920.90

Finding the Fourth Proportional to 738,232.90, 1,107,349.35 and 644,920.90

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Solution

The fourth proportional to 738,232.90, 1,107,349.35 and 644,920.90 is: 967,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,232.90 : 1,107,349.35 = 644,920.90 : x
  2. Step 2: Convert to fraction form
    738,232.90/1,107,349.35 = 644,920.90/x
  3. Step 3: Cross multiply
    738,232.90x = 1,107,349.35 × 644,920.90
  4. Step 4: Simplify right side
    738,232.90x = 714,152,739,416.42
  5. Step 5: Solve for x
    x = 714,152,739,416.42/738,232.90
  6. Step 6: Final answer
    x = 967,381.35

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Double scale
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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.