Home / 929,471.60-1,394,207.40-708,287.60

Finding the Fourth Proportional to 929,471.60, 1,394,207.40 and 708,287.60

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Solution

The fourth proportional to 929,471.60, 1,394,207.40 and 708,287.60 is: 1,062,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,471.60 : 1,394,207.40 = 708,287.60 : x
  2. Step 2: Convert to fraction form
    929,471.60/1,394,207.40 = 708,287.60/x
  3. Step 3: Cross multiply
    929,471.60x = 1,394,207.40 × 708,287.60
  4. Step 4: Simplify right side
    929,471.60x = 987,499,813,248.24
  5. Step 5: Solve for x
    x = 987,499,813,248.24/929,471.60
  6. Step 6: Final answer
    x = 1,062,431.40

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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.