Home / 890,874.66-1,335,677.36-417,301.68

Finding the Fourth Proportional to 890,874.66, 1,335,677.36 and 417,301.68

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Solution

The fourth proportional to 890,874.66, 1,335,677.36 and 417,301.68 is: 625,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,874.66 : 1,335,677.36 = 417,301.68 : x
  2. Step 2: Convert to fraction form
    890,874.66/1,335,677.36 = 417,301.68/x
  3. Step 3: Cross multiply
    890,874.66x = 1,335,677.36 × 417,301.68
  4. Step 4: Simplify right side
    890,874.66x = 557,380,404,179.46
  5. Step 5: Solve for x
    x = 557,380,404,179.46/890,874.66
  6. Step 6: Final answer
    x = 625,655.25

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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.