Home / 765,786.56-1,056,767.20-426,247.52

Finding the Fourth Proportional to 765,786.56, 1,056,767.20 and 426,247.52

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Solution

The fourth proportional to 765,786.56, 1,056,767.20 and 426,247.52 is: 588,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,786.56 : 1,056,767.20 = 426,247.52 : x
  2. Step 2: Convert to fraction form
    765,786.56/1,056,767.20 = 426,247.52/x
  3. Step 3: Cross multiply
    765,786.56x = 1,056,767.20 × 426,247.52
  4. Step 4: Simplify right side
    765,786.56x = 450,444,398,217.34
  5. Step 5: Solve for x
    x = 450,444,398,217.34/765,786.56
  6. Step 6: Final answer
    x = 588,211.42

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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.