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Finding the Fourth Proportional to 605,042.80, 907,564.20 and 597,169.60

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Solution

The fourth proportional to 605,042.80, 907,564.20 and 597,169.60 is: 895,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,042.80 : 907,564.20 = 597,169.60 : x
  2. Step 2: Convert to fraction form
    605,042.80/907,564.20 = 597,169.60/x
  3. Step 3: Cross multiply
    605,042.80x = 907,564.20 × 597,169.60
  4. Step 4: Simplify right side
    605,042.80x = 541,969,750,288.32
  5. Step 5: Solve for x
    x = 541,969,750,288.32/605,042.80
  6. Step 6: Final answer
    x = 895,754.40

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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.