Home / 878,832.52-1,318,642.62-405,264.04

Finding the Fourth Proportional to 878,832.52, 1,318,642.62 and 405,264.04

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Solution

The fourth proportional to 878,832.52, 1,318,642.62 and 405,264.04 is: 608,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,832.52 : 1,318,642.62 = 405,264.04 : x
  2. Step 2: Convert to fraction form
    878,832.52/1,318,642.62 = 405,264.04/x
  3. Step 3: Cross multiply
    878,832.52x = 1,318,642.62 × 405,264.04
  4. Step 4: Simplify right side
    878,832.52x = 534,398,435,497.39
  5. Step 5: Solve for x
    x = 534,398,435,497.39/878,832.52
  6. Step 6: Final answer
    x = 608,077.68

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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.