Home / 984,200.30-1,476,300.45-319,352.30

Finding the Fourth Proportional to 984,200.30, 1,476,300.45 and 319,352.30

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Solution

The fourth proportional to 984,200.30, 1,476,300.45 and 319,352.30 is: 479,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,200.30 : 1,476,300.45 = 319,352.30 : x
  2. Step 2: Convert to fraction form
    984,200.30/1,476,300.45 = 319,352.30/x
  3. Step 3: Cross multiply
    984,200.30x = 1,476,300.45 × 319,352.30
  4. Step 4: Simplify right side
    984,200.30x = 471,459,944,198.54
  5. Step 5: Solve for x
    x = 471,459,944,198.54/984,200.30
  6. Step 6: Final answer
    x = 479,028.45

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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.