Home / 579,018.89-868,486.61-179,649.38

Finding the Fourth Proportional to 579,018.89, 868,486.61 and 179,649.38

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Solution

The fourth proportional to 579,018.89, 868,486.61 and 179,649.38 is: 269,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,018.89 : 868,486.61 = 179,649.38 : x
  2. Step 2: Convert to fraction form
    579,018.89/868,486.61 = 179,649.38/x
  3. Step 3: Cross multiply
    579,018.89x = 868,486.61 × 179,649.38
  4. Step 4: Simplify right side
    579,018.89x = 156,023,081,024.80
  5. Step 5: Solve for x
    x = 156,023,081,024.80/579,018.89
  6. Step 6: Final answer
    x = 269,461.12

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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.