Home / 924,279.15-1,386,418.73-259,431.15

Finding the Fourth Proportional to 924,279.15, 1,386,418.73 and 259,431.15

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Solution

The fourth proportional to 924,279.15, 1,386,418.73 and 259,431.15 is: 389,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,279.15 : 1,386,418.73 = 259,431.15 : x
  2. Step 2: Convert to fraction form
    924,279.15/1,386,418.73 = 259,431.15/x
  3. Step 3: Cross multiply
    924,279.15x = 1,386,418.73 × 259,431.15
  4. Step 4: Simplify right side
    924,279.15x = 359,680,204,208.28
  5. Step 5: Solve for x
    x = 359,680,204,208.28/924,279.15
  6. Step 6: Final answer
    x = 389,146.73

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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.