Home / 988,743.85-1,364,503.23-558,998.35

Finding the Fourth Proportional to 988,743.85, 1,364,503.23 and 558,998.35

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Solution

The fourth proportional to 988,743.85, 1,364,503.23 and 558,998.35 is: 771,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,743.85 : 1,364,503.23 = 558,998.35 : x
  2. Step 2: Convert to fraction form
    988,743.85/1,364,503.23 = 558,998.35/x
  3. Step 3: Cross multiply
    988,743.85x = 1,364,503.23 × 558,998.35
  4. Step 4: Simplify right side
    988,743.85x = 762,755,050,728.41
  5. Step 5: Solve for x
    x = 762,755,050,728.41/988,743.85
  6. Step 6: Final answer
    x = 771,438.48

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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.