Home / 465,377.80-642,281.94-284,052.04

Finding the Fourth Proportional to 465,377.80, 642,281.94 and 284,052.04

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Solution

The fourth proportional to 465,377.80, 642,281.94 and 284,052.04 is: 392,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,377.80 : 642,281.94 = 284,052.04 : x
  2. Step 2: Convert to fraction form
    465,377.80/642,281.94 = 284,052.04/x
  3. Step 3: Cross multiply
    465,377.80x = 642,281.94 × 284,052.04
  4. Step 4: Simplify right side
    465,377.80x = 182,441,495,312.16
  5. Step 5: Solve for x
    x = 182,441,495,312.16/465,377.80
  6. Step 6: Final answer
    x = 392,028.79

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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.