Home / 495,815.94-743,591.07-215,266.50

Finding the Fourth Proportional to 495,815.94, 743,591.07 and 215,266.50

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Solution

The fourth proportional to 495,815.94, 743,591.07 and 215,266.50 is: 322,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,815.94 : 743,591.07 = 215,266.50 : x
  2. Step 2: Convert to fraction form
    495,815.94/743,591.07 = 215,266.50/x
  3. Step 3: Cross multiply
    495,815.94x = 743,591.07 × 215,266.50
  4. Step 4: Simplify right side
    495,815.94x = 160,070,247,070.16
  5. Step 5: Solve for x
    x = 160,070,247,070.16/495,815.94
  6. Step 6: Final answer
    x = 322,842.08

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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.