Home / 898,747.22-1,239,885.96-516,692.90

Finding the Fourth Proportional to 898,747.22, 1,239,885.96 and 516,692.90

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Solution

The fourth proportional to 898,747.22, 1,239,885.96 and 516,692.90 is: 712,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,747.22 : 1,239,885.96 = 516,692.90 : x
  2. Step 2: Convert to fraction form
    898,747.22/1,239,885.96 = 516,692.90/x
  3. Step 3: Cross multiply
    898,747.22x = 1,239,885.96 × 516,692.90
  4. Step 4: Simplify right side
    898,747.22x = 640,640,272,341.68
  5. Step 5: Solve for x
    x = 640,640,272,341.68/898,747.22
  6. Step 6: Final answer
    x = 712,814.75

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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.