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Finding the Fourth Proportional to 485,089.29, 664,575.56 and 466,907.91

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Solution

The fourth proportional to 485,089.29, 664,575.56 and 466,907.91 is: 639,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,089.29 : 664,575.56 = 466,907.91 : x
  2. Step 2: Convert to fraction form
    485,089.29/664,575.56 = 466,907.91/x
  3. Step 3: Cross multiply
    485,089.29x = 664,575.56 × 466,907.91
  4. Step 4: Simplify right side
    485,089.29x = 310,295,585,756.68
  5. Step 5: Solve for x
    x = 310,295,585,756.68/485,089.29
  6. Step 6: Final answer
    x = 639,666.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.