Home / 703,387.95-1,055,472.85-343,562.89

Finding the Fourth Proportional to 703,387.95, 1,055,472.85 and 343,562.89

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Solution

The fourth proportional to 703,387.95, 1,055,472.85 and 343,562.89 is: 515,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,387.95 : 1,055,472.85 = 343,562.89 : x
  2. Step 2: Convert to fraction form
    703,387.95/1,055,472.85 = 343,562.89/x
  3. Step 3: Cross multiply
    703,387.95x = 1,055,472.85 × 343,562.89
  4. Step 4: Simplify right side
    703,387.95x = 362,621,306,367.11
  5. Step 5: Solve for x
    x = 362,621,306,367.11/703,387.95
  6. Step 6: Final answer
    x = 515,535.28

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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.