Home / 748,461.89-1,032,877.38-408,932.57

Finding the Fourth Proportional to 748,461.89, 1,032,877.38 and 408,932.57

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Solution

The fourth proportional to 748,461.89, 1,032,877.38 and 408,932.57 is: 564,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,461.89 : 1,032,877.38 = 408,932.57 : x
  2. Step 2: Convert to fraction form
    748,461.89/1,032,877.38 = 408,932.57/x
  3. Step 3: Cross multiply
    748,461.89x = 1,032,877.38 × 408,932.57
  4. Step 4: Simplify right side
    748,461.89x = 422,377,201,498.27
  5. Step 5: Solve for x
    x = 422,377,201,498.27/748,461.89
  6. Step 6: Final answer
    x = 564,326.93

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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.