Home / 988,744.22-1,364,503.76-558,998.72

Finding the Fourth Proportional to 988,744.22, 1,364,503.76 and 558,998.72

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Solution

The fourth proportional to 988,744.22, 1,364,503.76 and 558,998.72 is: 771,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,744.22 : 1,364,503.76 = 558,998.72 : x
  2. Step 2: Convert to fraction form
    988,744.22/1,364,503.76 = 558,998.72/x
  3. Step 3: Cross multiply
    988,744.22x = 1,364,503.76 × 558,998.72
  4. Step 4: Simplify right side
    988,744.22x = 762,755,845,657.68
  5. Step 5: Solve for x
    x = 762,755,845,657.68/988,744.22
  6. Step 6: Final answer
    x = 771,439.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.