Home / 679,327.33-1,018,990.35-173,887.51

Finding the Fourth Proportional to 679,327.33, 1,018,990.35 and 173,887.51

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Solution

The fourth proportional to 679,327.33, 1,018,990.35 and 173,887.51 is: 260,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,327.33 : 1,018,990.35 = 173,887.51 : x
  2. Step 2: Convert to fraction form
    679,327.33/1,018,990.35 = 173,887.51/x
  3. Step 3: Cross multiply
    679,327.33x = 1,018,990.35 × 173,887.51
  4. Step 4: Simplify right side
    679,327.33x = 177,189,694,675.53
  5. Step 5: Solve for x
    x = 177,189,694,675.53/679,327.33
  6. Step 6: Final answer
    x = 260,831.10

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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.