Home / 731,026.85-1,008,508.15-489,387.27

Finding the Fourth Proportional to 731,026.85, 1,008,508.15 and 489,387.27

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Solution

The fourth proportional to 731,026.85, 1,008,508.15 and 489,387.27 is: 675,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,026.85 : 1,008,508.15 = 489,387.27 : x
  2. Step 2: Convert to fraction form
    731,026.85/1,008,508.15 = 489,387.27/x
  3. Step 3: Cross multiply
    731,026.85x = 1,008,508.15 × 489,387.27
  4. Step 4: Simplify right side
    731,026.85x = 493,551,054,371.74
  5. Step 5: Solve for x
    x = 493,551,054,371.74/731,026.85
  6. Step 6: Final answer
    x = 675,147.64

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1.5x scale

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.