Home / 676,881.16-1,015,882.56-340,018.16

Finding the Fourth Proportional to 676,881.16, 1,015,882.56 and 340,018.16

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Solution

The fourth proportional to 676,881.16, 1,015,882.56 and 340,018.16 is: 510,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,881.16 : 1,015,882.56 = 340,018.16 : x
  2. Step 2: Convert to fraction form
    676,881.16/1,015,882.56 = 340,018.16/x
  3. Step 3: Cross multiply
    676,881.16x = 1,015,882.56 × 340,018.16
  4. Step 4: Simplify right side
    676,881.16x = 345,418,513,747.88
  5. Step 5: Solve for x
    x = 345,418,513,747.88/676,881.16
  6. Step 6: Final answer
    x = 510,308.95

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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.