Home / 997,828.27-1,377,002.50-538,942.61

Finding the Fourth Proportional to 997,828.27, 1,377,002.50 and 538,942.61

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Solution

The fourth proportional to 997,828.27, 1,377,002.50 and 538,942.61 is: 743,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,828.27 : 1,377,002.50 = 538,942.61 : x
  2. Step 2: Convert to fraction form
    997,828.27/1,377,002.50 = 538,942.61/x
  3. Step 3: Cross multiply
    997,828.27x = 1,377,002.50 × 538,942.61
  4. Step 4: Simplify right side
    997,828.27x = 742,125,323,421.68
  5. Step 5: Solve for x
    x = 742,125,323,421.68/997,828.27
  6. Step 6: Final answer
    x = 743,740.53

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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.