Home / 558,447.27-831,354.74-555,125.78

Finding the Fourth Proportional to 558,447.27, 831,354.74 and 555,125.78

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Solution

The fourth proportional to 558,447.27, 831,354.74 and 555,125.78 is: 826,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,447.27 : 831,354.74 = 555,125.78 : x
  2. Step 2: Convert to fraction form
    558,447.27/831,354.74 = 555,125.78/x
  3. Step 3: Cross multiply
    558,447.27x = 831,354.74 × 555,125.78
  4. Step 4: Simplify right side
    558,447.27x = 461,506,441,566.80
  5. Step 5: Solve for x
    x = 461,506,441,566.80/558,447.27
  6. Step 6: Final answer
    x = 826,410.06

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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.