Home / 766,400.12-1,057,632.45-444,296.94

Finding the Fourth Proportional to 766,400.12, 1,057,632.45 and 444,296.94

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Solution

The fourth proportional to 766,400.12, 1,057,632.45 and 444,296.94 is: 613,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,400.12 : 1,057,632.45 = 444,296.94 : x
  2. Step 2: Convert to fraction form
    766,400.12/1,057,632.45 = 444,296.94/x
  3. Step 3: Cross multiply
    766,400.12x = 1,057,632.45 × 444,296.94
  4. Step 4: Simplify right side
    766,400.12x = 469,902,861,179.70
  5. Step 5: Solve for x
    x = 469,902,861,179.70/766,400.12
  6. Step 6: Final answer
    x = 613,129.94

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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.