Home / 678,906.88-1,018,360.17-173,468.80

Finding the Fourth Proportional to 678,906.88, 1,018,360.17 and 173,468.80

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Solution

The fourth proportional to 678,906.88, 1,018,360.17 and 173,468.80 is: 260,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,906.88 : 1,018,360.17 = 173,468.80 : x
  2. Step 2: Convert to fraction form
    678,906.88/1,018,360.17 = 173,468.80/x
  3. Step 3: Cross multiply
    678,906.88x = 1,018,360.17 × 173,468.80
  4. Step 4: Simplify right side
    678,906.88x = 176,653,716,657.70
  5. Step 5: Solve for x
    x = 176,653,716,657.70/678,906.88
  6. Step 6: Final answer
    x = 260,203.16

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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.