Home / 495,687.04-743,569.95-211,380.02

Finding the Fourth Proportional to 495,687.04, 743,569.95 and 211,380.02

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Solution

The fourth proportional to 495,687.04, 743,569.95 and 211,380.02 is: 317,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,687.04 : 743,569.95 = 211,380.02 : x
  2. Step 2: Convert to fraction form
    495,687.04/743,569.95 = 211,380.02/x
  3. Step 3: Cross multiply
    495,687.04x = 743,569.95 × 211,380.02
  4. Step 4: Simplify right side
    495,687.04x = 157,175,827,184.55
  5. Step 5: Solve for x
    x = 157,175,827,184.55/495,687.04
  6. Step 6: Final answer
    x = 317,086.82

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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.