Home / 766,497.26-1,057,433.85-456,225.87

Finding the Fourth Proportional to 766,497.26, 1,057,433.85 and 456,225.87

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Solution

The fourth proportional to 766,497.26, 1,057,433.85 and 456,225.87 is: 629,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,497.26 : 1,057,433.85 = 456,225.87 : x
  2. Step 2: Convert to fraction form
    766,497.26/1,057,433.85 = 456,225.87/x
  3. Step 3: Cross multiply
    766,497.26x = 1,057,433.85 × 456,225.87
  4. Step 4: Simplify right side
    766,497.26x = 482,428,678,183.70
  5. Step 5: Solve for x
    x = 482,428,678,183.70/766,497.26
  6. Step 6: Final answer
    x = 629,393.87

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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.