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Finding the Fourth Proportional to 476,107.97, 656,210.84 and 453,685.77

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Solution

The fourth proportional to 476,107.97, 656,210.84 and 453,685.77 is: 625,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,107.97 : 656,210.84 = 453,685.77 : x
  2. Step 2: Convert to fraction form
    476,107.97/656,210.84 = 453,685.77/x
  3. Step 3: Cross multiply
    476,107.97x = 656,210.84 × 453,685.77
  4. Step 4: Simplify right side
    476,107.97x = 297,713,517,959.32
  5. Step 5: Solve for x
    x = 297,713,517,959.32/476,107.97
  6. Step 6: Final answer
    x = 625,306.74

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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.