Home / 992,099.12-1,369,089.96-539,390.12

Finding the Fourth Proportional to 992,099.12, 1,369,089.96 and 539,390.12

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Solution

The fourth proportional to 992,099.12, 1,369,089.96 and 539,390.12 is: 744,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,099.12 : 1,369,089.96 = 539,390.12 : x
  2. Step 2: Convert to fraction form
    992,099.12/1,369,089.96 = 539,390.12/x
  3. Step 3: Cross multiply
    992,099.12x = 1,369,089.96 × 539,390.12
  4. Step 4: Simplify right side
    992,099.12x = 738,473,597,815.20
  5. Step 5: Solve for x
    x = 738,473,597,815.20/992,099.12
  6. Step 6: Final answer
    x = 744,354.65

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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.