Home / 843,332.15-1,264,977.20-394,555.13

Finding the Fourth Proportional to 843,332.15, 1,264,977.20 and 394,555.13

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Solution

The fourth proportional to 843,332.15, 1,264,977.20 and 394,555.13 is: 591,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,332.15 : 1,264,977.20 = 394,555.13 : x
  2. Step 2: Convert to fraction form
    843,332.15/1,264,977.20 = 394,555.13/x
  3. Step 3: Cross multiply
    843,332.15x = 1,264,977.20 × 394,555.13
  4. Step 4: Simplify right side
    843,332.15x = 499,103,247,445.38
  5. Step 5: Solve for x
    x = 499,103,247,445.38/843,332.15
  6. Step 6: Final answer
    x = 591,822.87

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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.