Home / 718,831.12-1,078,013.16-238,930

Finding the Fourth Proportional to 718,831.12, 1,078,013.16 and 238,930

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Solution

The fourth proportional to 718,831.12, 1,078,013.16 and 238,930 is: 358,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,831.12 : 1,078,013.16 = 238,930 : x
  2. Step 2: Convert to fraction form
    718,831.12/1,078,013.16 = 238,930/x
  3. Step 3: Cross multiply
    718,831.12x = 1,078,013.16 × 238,930
  4. Step 4: Simplify right side
    718,831.12x = 257,569,684,318.80
  5. Step 5: Solve for x
    x = 257,569,684,318.80/718,831.12
  6. Step 6: Final answer
    x = 358,317.38

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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.