Home / 732,156.80-1,098,235.20-311,446.40

Finding the Fourth Proportional to 732,156.80, 1,098,235.20 and 311,446.40

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Solution

The fourth proportional to 732,156.80, 1,098,235.20 and 311,446.40 is: 467,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,156.80 : 1,098,235.20 = 311,446.40 : x
  2. Step 2: Convert to fraction form
    732,156.80/1,098,235.20 = 311,446.40/x
  3. Step 3: Cross multiply
    732,156.80x = 1,098,235.20 × 311,446.40
  4. Step 4: Simplify right side
    732,156.80x = 342,041,399,393.28
  5. Step 5: Solve for x
    x = 342,041,399,393.28/732,156.80
  6. Step 6: Final answer
    x = 467,169.60

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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.