Home / 729,911.38-1,007,267.60-424,160.50

Finding the Fourth Proportional to 729,911.38, 1,007,267.60 and 424,160.50

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Solution

The fourth proportional to 729,911.38, 1,007,267.60 and 424,160.50 is: 585,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,911.38 : 1,007,267.60 = 424,160.50 : x
  2. Step 2: Convert to fraction form
    729,911.38/1,007,267.60 = 424,160.50/x
  3. Step 3: Cross multiply
    729,911.38x = 1,007,267.60 × 424,160.50
  4. Step 4: Simplify right side
    729,911.38x = 427,243,128,849.80
  5. Step 5: Solve for x
    x = 427,243,128,849.80/729,911.38
  6. Step 6: Final answer
    x = 585,335.62

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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.