Home / 662,257.81-913,935.32-469,011.25

Finding the Fourth Proportional to 662,257.81, 913,935.32 and 469,011.25

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Solution

The fourth proportional to 662,257.81, 913,935.32 and 469,011.25 is: 647,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,257.81 : 913,935.32 = 469,011.25 : x
  2. Step 2: Convert to fraction form
    662,257.81/913,935.32 = 469,011.25/x
  3. Step 3: Cross multiply
    662,257.81x = 913,935.32 × 469,011.25
  4. Step 4: Simplify right side
    662,257.81x = 428,645,944,507.29
  5. Step 5: Solve for x
    x = 428,645,944,507.29/662,257.81
  6. Step 6: Final answer
    x = 647,249.36

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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.