Home / 723,526.92-1,085,142.60-274,092.84

Finding the Fourth Proportional to 723,526.92, 1,085,142.60 and 274,092.84

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Solution

The fourth proportional to 723,526.92, 1,085,142.60 and 274,092.84 is: 411,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,526.92 : 1,085,142.60 = 274,092.84 : x
  2. Step 2: Convert to fraction form
    723,526.92/1,085,142.60 = 274,092.84/x
  3. Step 3: Cross multiply
    723,526.92x = 1,085,142.60 × 274,092.84
  4. Step 4: Simplify right side
    723,526.92x = 297,429,817,038.98
  5. Step 5: Solve for x
    x = 297,429,817,038.98/723,526.92
  6. Step 6: Final answer
    x = 411,083.28

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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.