Home / 724,721.67-1,087,216.14-238,431.18

Finding the Fourth Proportional to 724,721.67, 1,087,216.14 and 238,431.18

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Solution

The fourth proportional to 724,721.67, 1,087,216.14 and 238,431.18 is: 357,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,721.67 : 1,087,216.14 = 238,431.18 : x
  2. Step 2: Convert to fraction form
    724,721.67/1,087,216.14 = 238,431.18/x
  3. Step 3: Cross multiply
    724,721.67x = 1,087,216.14 × 238,431.18
  4. Step 4: Simplify right side
    724,721.67x = 259,226,227,175.25
  5. Step 5: Solve for x
    x = 259,226,227,175.25/724,721.67
  6. Step 6: Final answer
    x = 357,690.74

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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.