Home / 988,536.75-1,363,919.07-580,508.16

Finding the Fourth Proportional to 988,536.75, 1,363,919.07 and 580,508.16

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Solution

The fourth proportional to 988,536.75, 1,363,919.07 and 580,508.16 is: 800,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,536.75 : 1,363,919.07 = 580,508.16 : x
  2. Step 2: Convert to fraction form
    988,536.75/1,363,919.07 = 580,508.16/x
  3. Step 3: Cross multiply
    988,536.75x = 1,363,919.07 × 580,508.16
  4. Step 4: Simplify right side
    988,536.75x = 791,766,149,714.61
  5. Step 5: Solve for x
    x = 791,766,149,714.61/988,536.75
  6. Step 6: Final answer
    x = 800,947.61

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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.