Home / 748,295.64-1,032,670.68-408,785.76

Finding the Fourth Proportional to 748,295.64, 1,032,670.68 and 408,785.76

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Solution

The fourth proportional to 748,295.64, 1,032,670.68 and 408,785.76 is: 564,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,295.64 : 1,032,670.68 = 408,785.76 : x
  2. Step 2: Convert to fraction form
    748,295.64/1,032,670.68 = 408,785.76/x
  3. Step 3: Cross multiply
    748,295.64x = 1,032,670.68 × 408,785.76
  4. Step 4: Simplify right side
    748,295.64x = 422,141,068,753.52
  5. Step 5: Solve for x
    x = 422,141,068,753.52/748,295.64
  6. Step 6: Final answer
    x = 564,136.75

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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.