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Finding the Fourth Proportional to 615,595.39, 849,875.01 and 469,252.28

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Solution

The fourth proportional to 615,595.39, 849,875.01 and 469,252.28 is: 647,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,595.39 : 849,875.01 = 469,252.28 : x
  2. Step 2: Convert to fraction form
    615,595.39/849,875.01 = 469,252.28/x
  3. Step 3: Cross multiply
    615,595.39x = 849,875.01 × 469,252.28
  4. Step 4: Simplify right side
    615,595.39x = 398,805,786,157.52
  5. Step 5: Solve for x
    x = 398,805,786,157.52/615,595.39
  6. Step 6: Final answer
    x = 647,837.51

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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.