Home / 724,837.32-1,087,171.47-192,399.71

Finding the Fourth Proportional to 724,837.32, 1,087,171.47 and 192,399.71

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Solution

The fourth proportional to 724,837.32, 1,087,171.47 and 192,399.71 is: 288,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,837.32 : 1,087,171.47 = 192,399.71 : x
  2. Step 2: Convert to fraction form
    724,837.32/1,087,171.47 = 192,399.71/x
  3. Step 3: Cross multiply
    724,837.32x = 1,087,171.47 × 192,399.71
  4. Step 4: Simplify right side
    724,837.32x = 209,171,470,112.42
  5. Step 5: Solve for x
    x = 209,171,470,112.42/724,837.32
  6. Step 6: Final answer
    x = 288,577.13

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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.