Home / 748,434.08-1,032,835.92-408,908

Finding the Fourth Proportional to 748,434.08, 1,032,835.92 and 408,908

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Solution

The fourth proportional to 748,434.08, 1,032,835.92 and 408,908 is: 564,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,434.08 : 1,032,835.92 = 408,908 : x
  2. Step 2: Convert to fraction form
    748,434.08/1,032,835.92 = 408,908/x
  3. Step 3: Cross multiply
    748,434.08x = 1,032,835.92 × 408,908
  4. Step 4: Simplify right side
    748,434.08x = 422,334,870,375.36
  5. Step 5: Solve for x
    x = 422,334,870,375.36/748,434.08
  6. Step 6: Final answer
    x = 564,291.34

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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.