Home / 904,920.30-1,357,380.45-372,264.30

Finding the Fourth Proportional to 904,920.30, 1,357,380.45 and 372,264.30

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Solution

The fourth proportional to 904,920.30, 1,357,380.45 and 372,264.30 is: 558,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,920.30 : 1,357,380.45 = 372,264.30 : x
  2. Step 2: Convert to fraction form
    904,920.30/1,357,380.45 = 372,264.30/x
  3. Step 3: Cross multiply
    904,920.30x = 1,357,380.45 × 372,264.30
  4. Step 4: Simplify right side
    904,920.30x = 505,304,283,052.94
  5. Step 5: Solve for x
    x = 505,304,283,052.94/904,920.30
  6. Step 6: Final answer
    x = 558,396.45

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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.