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Finding the Fourth Proportional to 615,594.39, 849,873.63 and 469,251.28

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Solution

The fourth proportional to 615,594.39, 849,873.63 and 469,251.28 is: 647,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,594.39 : 849,873.63 = 469,251.28 : x
  2. Step 2: Convert to fraction form
    615,594.39/849,873.63 = 469,251.28/x
  3. Step 3: Cross multiply
    615,594.39x = 849,873.63 × 469,251.28
  4. Step 4: Simplify right side
    615,594.39x = 398,804,288,715.75
  5. Step 5: Solve for x
    x = 398,804,288,715.75/615,594.39
  6. Step 6: Final answer
    x = 647,836.13

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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.