Home / 992,496.60-1,369,605.78-539,787.96

Finding the Fourth Proportional to 992,496.60, 1,369,605.78 and 539,787.96

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Solution

The fourth proportional to 992,496.60, 1,369,605.78 and 539,787.96 is: 744,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,496.60 : 1,369,605.78 = 539,787.96 : x
  2. Step 2: Convert to fraction form
    992,496.60/1,369,605.78 = 539,787.96/x
  3. Step 3: Cross multiply
    992,496.60x = 1,369,605.78 × 539,787.96
  4. Step 4: Simplify right side
    992,496.60x = 739,296,709,990.41
  5. Step 5: Solve for x
    x = 739,296,709,990.41/992,496.60
  6. Step 6: Final answer
    x = 744,885.89

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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.