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Finding the Fourth Proportional to 560,260.80, 773,154.72 and 345,314.88

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Solution

The fourth proportional to 560,260.80, 773,154.72 and 345,314.88 is: 476,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,260.80 : 773,154.72 = 345,314.88 : x
  2. Step 2: Convert to fraction form
    560,260.80/773,154.72 = 345,314.88/x
  3. Step 3: Cross multiply
    560,260.80x = 773,154.72 × 345,314.88
  4. Step 4: Simplify right side
    560,260.80x = 266,981,829,358.23
  5. Step 5: Solve for x
    x = 266,981,829,358.23/560,260.80
  6. Step 6: Final answer
    x = 476,531.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.