Home / 906,317.55-1,250,689.59-498,418.13

Finding the Fourth Proportional to 906,317.55, 1,250,689.59 and 498,418.13

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Solution

The fourth proportional to 906,317.55, 1,250,689.59 and 498,418.13 is: 687,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,317.55 : 1,250,689.59 = 498,418.13 : x
  2. Step 2: Convert to fraction form
    906,317.55/1,250,689.59 = 498,418.13/x
  3. Step 3: Cross multiply
    906,317.55x = 1,250,689.59 × 498,418.13
  4. Step 4: Simplify right side
    906,317.55x = 623,366,366,968.30
  5. Step 5: Solve for x
    x = 623,366,366,968.30/906,317.55
  6. Step 6: Final answer
    x = 687,801.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.