Home / 724,707.93-1,086,724.41-268,981.80

Finding the Fourth Proportional to 724,707.93, 1,086,724.41 and 268,981.80

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Solution

The fourth proportional to 724,707.93, 1,086,724.41 and 268,981.80 is: 403,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,707.93 : 1,086,724.41 = 268,981.80 : x
  2. Step 2: Convert to fraction form
    724,707.93/1,086,724.41 = 268,981.80/x
  3. Step 3: Cross multiply
    724,707.93x = 1,086,724.41 × 268,981.80
  4. Step 4: Simplify right side
    724,707.93x = 292,309,087,905.74
  5. Step 5: Solve for x
    x = 292,309,087,905.74/724,707.93
  6. Step 6: Final answer
    x = 403,347.44

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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.