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Finding the Fourth Proportional to 457,037.64, 630,710.28 and 255,833.64

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Solution

The fourth proportional to 457,037.64, 630,710.28 and 255,833.64 is: 353,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,037.64 : 630,710.28 = 255,833.64 : x
  2. Step 2: Convert to fraction form
    457,037.64/630,710.28 = 255,833.64/x
  3. Step 3: Cross multiply
    457,037.64x = 630,710.28 × 255,833.64
  4. Step 4: Simplify right side
    457,037.64x = 161,356,906,717.82
  5. Step 5: Solve for x
    x = 161,356,906,717.82/457,037.64
  6. Step 6: Final answer
    x = 353,049.49

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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.