Home / 723,756.60-1,085,306.85-274,328.10

Finding the Fourth Proportional to 723,756.60, 1,085,306.85 and 274,328.10

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Solution

The fourth proportional to 723,756.60, 1,085,306.85 and 274,328.10 is: 411,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,756.60 : 1,085,306.85 = 274,328.10 : x
  2. Step 2: Convert to fraction form
    723,756.60/1,085,306.85 = 274,328.10/x
  3. Step 3: Cross multiply
    723,756.60x = 1,085,306.85 × 274,328.10
  4. Step 4: Simplify right side
    723,756.60x = 297,730,166,077.49
  5. Step 5: Solve for x
    x = 297,730,166,077.49/723,756.60
  6. Step 6: Final answer
    x = 411,367.81

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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.