Home / 494,428.55-741,642.83-458,999.15

Finding the Fourth Proportional to 494,428.55, 741,642.83 and 458,999.15

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Solution

The fourth proportional to 494,428.55, 741,642.83 and 458,999.15 is: 688,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.55 : 741,642.83 = 458,999.15 : x
  2. Step 2: Convert to fraction form
    494,428.55/741,642.83 = 458,999.15/x
  3. Step 3: Cross multiply
    494,428.55x = 741,642.83 × 458,999.15
  4. Step 4: Simplify right side
    494,428.55x = 340,413,426,278.60
  5. Step 5: Solve for x
    x = 340,413,426,278.60/494,428.55
  6. Step 6: Final answer
    x = 688,498.73

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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.