Home / 906,304.61-1,250,732.45-498,438.02

Finding the Fourth Proportional to 906,304.61, 1,250,732.45 and 498,438.02

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Solution

The fourth proportional to 906,304.61, 1,250,732.45 and 498,438.02 is: 687,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,304.61 : 1,250,732.45 = 498,438.02 : x
  2. Step 2: Convert to fraction form
    906,304.61/1,250,732.45 = 498,438.02/x
  3. Step 3: Cross multiply
    906,304.61x = 1,250,732.45 × 498,438.02
  4. Step 4: Simplify right side
    906,304.61x = 623,412,610,300.68
  5. Step 5: Solve for x
    x = 623,412,610,300.68/906,304.61
  6. Step 6: Final answer
    x = 687,862.12

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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.