Home / 578,798.84-868,402.38-179,540.12

Finding the Fourth Proportional to 578,798.84, 868,402.38 and 179,540.12

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Solution

The fourth proportional to 578,798.84, 868,402.38 and 179,540.12 is: 269,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,798.84 : 868,402.38 = 179,540.12 : x
  2. Step 2: Convert to fraction form
    578,798.84/868,402.38 = 179,540.12/x
  3. Step 3: Cross multiply
    578,798.84x = 868,402.38 × 179,540.12
  4. Step 4: Simplify right side
    578,798.84x = 155,913,067,513.49
  5. Step 5: Solve for x
    x = 155,913,067,513.49/578,798.84
  6. Step 6: Final answer
    x = 269,373.50

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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.