Home / 861,222.44-1,188,617.59-517,248.32

Finding the Fourth Proportional to 861,222.44, 1,188,617.59 and 517,248.32

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Solution

The fourth proportional to 861,222.44, 1,188,617.59 and 517,248.32 is: 713,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,222.44 : 1,188,617.59 = 517,248.32 : x
  2. Step 2: Convert to fraction form
    861,222.44/1,188,617.59 = 517,248.32/x
  3. Step 3: Cross multiply
    861,222.44x = 1,188,617.59 × 517,248.32
  4. Step 4: Simplify right side
    861,222.44x = 614,810,446,253.42
  5. Step 5: Solve for x
    x = 614,810,446,253.42/861,222.44
  6. Step 6: Final answer
    x = 713,881.13

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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.