Home / 754,666.20-1,131,966.90-256,030.20

Finding the Fourth Proportional to 754,666.20, 1,131,966.90 and 256,030.20

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Solution

The fourth proportional to 754,666.20, 1,131,966.90 and 256,030.20 is: 384,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,666.20 : 1,131,966.90 = 256,030.20 : x
  2. Step 2: Convert to fraction form
    754,666.20/1,131,966.90 = 256,030.20/x
  3. Step 3: Cross multiply
    754,666.20x = 1,131,966.90 × 256,030.20
  4. Step 4: Simplify right side
    754,666.20x = 289,817,711,800.38
  5. Step 5: Solve for x
    x = 289,817,711,800.38/754,666.20
  6. Step 6: Final answer
    x = 384,034.31

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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.