Home / 724,470.56-1,086,670.76-275,156.36

Finding the Fourth Proportional to 724,470.56, 1,086,670.76 and 275,156.36

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Solution

The fourth proportional to 724,470.56, 1,086,670.76 and 275,156.36 is: 412,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,470.56 : 1,086,670.76 = 275,156.36 : x
  2. Step 2: Convert to fraction form
    724,470.56/1,086,670.76 = 275,156.36/x
  3. Step 3: Cross multiply
    724,470.56x = 1,086,670.76 × 275,156.36
  4. Step 4: Simplify right side
    724,470.56x = 299,004,364,030.90
  5. Step 5: Solve for x
    x = 299,004,364,030.90/724,470.56
  6. Step 6: Final answer
    x = 412,721.21

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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.