Home / 495,429.28-683,700.24-280,563.52

Finding the Fourth Proportional to 495,429.28, 683,700.24 and 280,563.52

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Solution

The fourth proportional to 495,429.28, 683,700.24 and 280,563.52 is: 387,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,429.28 : 683,700.24 = 280,563.52 : x
  2. Step 2: Convert to fraction form
    495,429.28/683,700.24 = 280,563.52/x
  3. Step 3: Cross multiply
    495,429.28x = 683,700.24 × 280,563.52
  4. Step 4: Simplify right side
    495,429.28x = 191,821,345,959.25
  5. Step 5: Solve for x
    x = 191,821,345,959.25/495,429.28
  6. Step 6: Final answer
    x = 387,182.09

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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.