Home / 724,718.66-1,087,211.63-238,428.18

Finding the Fourth Proportional to 724,718.66, 1,087,211.63 and 238,428.18

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Solution

The fourth proportional to 724,718.66, 1,087,211.63 and 238,428.18 is: 357,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,718.66 : 1,087,211.63 = 238,428.18 : x
  2. Step 2: Convert to fraction form
    724,718.66/1,087,211.63 = 238,428.18/x
  3. Step 3: Cross multiply
    724,718.66x = 1,087,211.63 × 238,428.18
  4. Step 4: Simplify right side
    724,718.66x = 259,221,894,010.38
  5. Step 5: Solve for x
    x = 259,221,894,010.38/724,718.66
  6. Step 6: Final answer
    x = 357,686.24

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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.