Home / 906,507.05-1,250,892.92-498,602.39

Finding the Fourth Proportional to 906,507.05, 1,250,892.92 and 498,602.39

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Solution

The fourth proportional to 906,507.05, 1,250,892.92 and 498,602.39 is: 688,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,507.05 : 1,250,892.92 = 498,602.39 : x
  2. Step 2: Convert to fraction form
    906,507.05/1,250,892.92 = 498,602.39/x
  3. Step 3: Cross multiply
    906,507.05x = 1,250,892.92 × 498,602.39
  4. Step 4: Simplify right side
    906,507.05x = 623,698,194,538.12
  5. Step 5: Solve for x
    x = 623,698,194,538.12/906,507.05
  6. Step 6: Final answer
    x = 688,023.55

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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.