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Finding the Fourth Proportional to 617,004.92, 925,726.57 and 275,417.39

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Solution

The fourth proportional to 617,004.92, 925,726.57 and 275,417.39 is: 413,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,004.92 : 925,726.57 = 275,417.39 : x
  2. Step 2: Convert to fraction form
    617,004.92/925,726.57 = 275,417.39/x
  3. Step 3: Cross multiply
    617,004.92x = 925,726.57 × 275,417.39
  4. Step 4: Simplify right side
    617,004.92x = 254,961,191,478.69
  5. Step 5: Solve for x
    x = 254,961,191,478.69/617,004.92
  6. Step 6: Final answer
    x = 413,223.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.