Home / 775,060.53-1,069,587.68-426,223.43

Finding the Fourth Proportional to 775,060.53, 1,069,587.68 and 426,223.43

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Solution

The fourth proportional to 775,060.53, 1,069,587.68 and 426,223.43 is: 588,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,060.53 : 1,069,587.68 = 426,223.43 : x
  2. Step 2: Convert to fraction form
    775,060.53/1,069,587.68 = 426,223.43/x
  3. Step 3: Cross multiply
    775,060.53x = 1,069,587.68 × 426,223.43
  4. Step 4: Simplify right side
    775,060.53x = 455,883,329,655.34
  5. Step 5: Solve for x
    x = 455,883,329,655.34/775,060.53
  6. Step 6: Final answer
    x = 588,190.61

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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.