Home / 676,864.90-933,955.14-386,343.82

Finding the Fourth Proportional to 676,864.90, 933,955.14 and 386,343.82

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Solution

The fourth proportional to 676,864.90, 933,955.14 and 386,343.82 is: 533,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,864.90 : 933,955.14 = 386,343.82 : x
  2. Step 2: Convert to fraction form
    676,864.90/933,955.14 = 386,343.82/x
  3. Step 3: Cross multiply
    676,864.90x = 933,955.14 × 386,343.82
  4. Step 4: Simplify right side
    676,864.90x = 360,827,796,496.24
  5. Step 5: Solve for x
    x = 360,827,796,496.24/676,864.90
  6. Step 6: Final answer
    x = 533,086.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.