Home / 474,256.38-654,497.77-280,775.13

Finding the Fourth Proportional to 474,256.38, 654,497.77 and 280,775.13

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Solution

The fourth proportional to 474,256.38, 654,497.77 and 280,775.13 is: 387,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,256.38 : 654,497.77 = 280,775.13 : x
  2. Step 2: Convert to fraction form
    474,256.38/654,497.77 = 280,775.13/x
  3. Step 3: Cross multiply
    474,256.38x = 654,497.77 × 280,775.13
  4. Step 4: Simplify right side
    474,256.38x = 183,766,693,826.61
  5. Step 5: Solve for x
    x = 183,766,693,826.61/474,256.38
  6. Step 6: Final answer
    x = 387,483.86

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1.5x scale

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.