Home / 758,471.38-1,046,690.46-409,611.76

Finding the Fourth Proportional to 758,471.38, 1,046,690.46 and 409,611.76

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Solution

The fourth proportional to 758,471.38, 1,046,690.46 and 409,611.76 is: 565,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,471.38 : 1,046,690.46 = 409,611.76 : x
  2. Step 2: Convert to fraction form
    758,471.38/1,046,690.46 = 409,611.76/x
  3. Step 3: Cross multiply
    758,471.38x = 1,046,690.46 × 409,611.76
  4. Step 4: Simplify right side
    758,471.38x = 428,736,716,262.36
  5. Step 5: Solve for x
    x = 428,736,716,262.36/758,471.38
  6. Step 6: Final answer
    x = 565,264.20

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Double scale
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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.