Home / 576,927.16-861,793.04-427,459.37

Finding the Fourth Proportional to 576,927.16, 861,793.04 and 427,459.37

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Solution

The fourth proportional to 576,927.16, 861,793.04 and 427,459.37 is: 638,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,927.16 : 861,793.04 = 427,459.37 : x
  2. Step 2: Convert to fraction form
    576,927.16/861,793.04 = 427,459.37/x
  3. Step 3: Cross multiply
    576,927.16x = 861,793.04 × 427,459.37
  4. Step 4: Simplify right side
    576,927.16x = 368,381,509,948.79
  5. Step 5: Solve for x
    x = 368,381,509,948.79/576,927.16
  6. Step 6: Final answer
    x = 638,523.44

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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.