Home / 906,830.92-1,251,436.26-498,938.14

Finding the Fourth Proportional to 906,830.92, 1,251,436.26 and 498,938.14

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Solution

The fourth proportional to 906,830.92, 1,251,436.26 and 498,938.14 is: 688,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,830.92 : 1,251,436.26 = 498,938.14 : x
  2. Step 2: Convert to fraction form
    906,830.92/1,251,436.26 = 498,938.14/x
  3. Step 3: Cross multiply
    906,830.92x = 1,251,436.26 × 498,938.14
  4. Step 4: Simplify right side
    906,830.92x = 624,389,279,892.96
  5. Step 5: Solve for x
    x = 624,389,279,892.96/906,830.92
  6. Step 6: Final answer
    x = 688,539.91

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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.