Home / 558,437.27-831,339.84-555,115.78

Finding the Fourth Proportional to 558,437.27, 831,339.84 and 555,115.78

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Solution

The fourth proportional to 558,437.27, 831,339.84 and 555,115.78 is: 826,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,437.27 : 831,339.84 = 555,115.78 : x
  2. Step 2: Convert to fraction form
    558,437.27/831,339.84 = 555,115.78/x
  3. Step 3: Cross multiply
    558,437.27x = 831,339.84 × 555,115.78
  4. Step 4: Simplify right side
    558,437.27x = 461,489,856,794.40
  5. Step 5: Solve for x
    x = 461,489,856,794.40/558,437.27
  6. Step 6: Final answer
    x = 826,395.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.