Home / 747,803.52-1,121,853.20-274,492.98

Finding the Fourth Proportional to 747,803.52, 1,121,853.20 and 274,492.98

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Solution

The fourth proportional to 747,803.52, 1,121,853.20 and 274,492.98 is: 411,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,803.52 : 1,121,853.20 = 274,492.98 : x
  2. Step 2: Convert to fraction form
    747,803.52/1,121,853.20 = 274,492.98/x
  3. Step 3: Cross multiply
    747,803.52x = 1,121,853.20 × 274,492.98
  4. Step 4: Simplify right side
    747,803.52x = 307,940,827,990.54
  5. Step 5: Solve for x
    x = 307,940,827,990.54/747,803.52
  6. Step 6: Final answer
    x = 411,793.77

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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.