Home / 578,478.88-867,743.43-179,127.28

Finding the Fourth Proportional to 578,478.88, 867,743.43 and 179,127.28

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Solution

The fourth proportional to 578,478.88, 867,743.43 and 179,127.28 is: 268,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,478.88 : 867,743.43 = 179,127.28 : x
  2. Step 2: Convert to fraction form
    578,478.88/867,743.43 = 179,127.28/x
  3. Step 3: Cross multiply
    578,478.88x = 867,743.43 × 179,127.28
  4. Step 4: Simplify right side
    578,478.88x = 155,436,520,353.77
  5. Step 5: Solve for x
    x = 155,436,520,353.77/578,478.88
  6. Step 6: Final answer
    x = 268,698.70

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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.