Home / 747,524.80-1,121,434.88-274,214.24

Finding the Fourth Proportional to 747,524.80, 1,121,434.88 and 274,214.24

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Solution

The fourth proportional to 747,524.80, 1,121,434.88 and 274,214.24 is: 411,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,524.80 : 1,121,434.88 = 274,214.24 : x
  2. Step 2: Convert to fraction form
    747,524.80/1,121,434.88 = 274,214.24/x
  3. Step 3: Cross multiply
    747,524.80x = 1,121,434.88 × 274,214.24
  4. Step 4: Simplify right side
    747,524.80x = 307,513,413,328.69
  5. Step 5: Solve for x
    x = 307,513,413,328.69/747,524.80
  6. Step 6: Final answer
    x = 411,375.53

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1.5x scale

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.