Home / 826,229.43-1,238,347.58-426,652.38

Finding the Fourth Proportional to 826,229.43, 1,238,347.58 and 426,652.38

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Solution

The fourth proportional to 826,229.43, 1,238,347.58 and 426,652.38 is: 639,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,229.43 : 1,238,347.58 = 426,652.38 : x
  2. Step 2: Convert to fraction form
    826,229.43/1,238,347.58 = 426,652.38/x
  3. Step 3: Cross multiply
    826,229.43x = 1,238,347.58 × 426,652.38
  4. Step 4: Simplify right side
    826,229.43x = 528,343,940,140.98
  5. Step 5: Solve for x
    x = 528,343,940,140.98/826,229.43
  6. Step 6: Final answer
    x = 639,463.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.