Home / 495,329.20-683,562.24-280,463.52

Finding the Fourth Proportional to 495,329.20, 683,562.24 and 280,463.52

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Solution

The fourth proportional to 495,329.20, 683,562.24 and 280,463.52 is: 387,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,329.20 : 683,562.24 = 280,463.52 : x
  2. Step 2: Convert to fraction form
    495,329.20/683,562.24 = 280,463.52/x
  3. Step 3: Cross multiply
    495,329.20x = 683,562.24 × 280,463.52
  4. Step 4: Simplify right side
    495,329.20x = 191,714,271,969.49
  5. Step 5: Solve for x
    x = 191,714,271,969.49/495,329.20
  6. Step 6: Final answer
    x = 387,044.16

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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.