Home / 579,264.48-869,017.68-179,894.88

Finding the Fourth Proportional to 579,264.48, 869,017.68 and 179,894.88

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Solution

The fourth proportional to 579,264.48, 869,017.68 and 179,894.88 is: 269,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,264.48 : 869,017.68 = 179,894.88 : x
  2. Step 2: Convert to fraction form
    579,264.48/869,017.68 = 179,894.88/x
  3. Step 3: Cross multiply
    579,264.48x = 869,017.68 × 179,894.88
  4. Step 4: Simplify right side
    579,264.48x = 156,331,831,261.48
  5. Step 5: Solve for x
    x = 156,331,831,261.48/579,264.48
  6. Step 6: Final answer
    x = 269,879.89

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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.