Home / 988,743.96-1,364,503.41-558,998.46

Finding the Fourth Proportional to 988,743.96, 1,364,503.41 and 558,998.46

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Solution

The fourth proportional to 988,743.96, 1,364,503.41 and 558,998.46 is: 771,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,743.96 : 1,364,503.41 = 558,998.46 : x
  2. Step 2: Convert to fraction form
    988,743.96/1,364,503.41 = 558,998.46/x
  3. Step 3: Cross multiply
    988,743.96x = 1,364,503.41 × 558,998.46
  4. Step 4: Simplify right side
    988,743.96x = 762,755,304,854.75
  5. Step 5: Solve for x
    x = 762,755,304,854.75/988,743.96
  6. Step 6: Final answer
    x = 771,438.65

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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.