Home / 417,456.13-575,833.15-368,902.25

Finding the Fourth Proportional to 417,456.13, 575,833.15 and 368,902.25

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Solution

The fourth proportional to 417,456.13, 575,833.15 and 368,902.25 is: 508,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,456.13 : 575,833.15 = 368,902.25 : x
  2. Step 2: Convert to fraction form
    417,456.13/575,833.15 = 368,902.25/x
  3. Step 3: Cross multiply
    417,456.13x = 575,833.15 × 368,902.25
  4. Step 4: Simplify right side
    417,456.13x = 212,426,144,400.92
  5. Step 5: Solve for x
    x = 212,426,144,400.92/417,456.13
  6. Step 6: Final answer
    x = 508,858.61

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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.