Home / 712,221.56-1,068,474.89-262,945.16

Finding the Fourth Proportional to 712,221.56, 1,068,474.89 and 262,945.16

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Solution

The fourth proportional to 712,221.56, 1,068,474.89 and 262,945.16 is: 394,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,221.56 : 1,068,474.89 = 262,945.16 : x
  2. Step 2: Convert to fraction form
    712,221.56/1,068,474.89 = 262,945.16/x
  3. Step 3: Cross multiply
    712,221.56x = 1,068,474.89 × 262,945.16
  4. Step 4: Simplify right side
    712,221.56x = 280,950,296,222.02
  5. Step 5: Solve for x
    x = 280,950,296,222.02/712,221.56
  6. Step 6: Final answer
    x = 394,470.36

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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.