Home / 805,994.82-1,112,545.95-500,250.15

Finding the Fourth Proportional to 805,994.82, 1,112,545.95 and 500,250.15

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Solution

The fourth proportional to 805,994.82, 1,112,545.95 and 500,250.15 is: 690,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,994.82 : 1,112,545.95 = 500,250.15 : x
  2. Step 2: Convert to fraction form
    805,994.82/1,112,545.95 = 500,250.15/x
  3. Step 3: Cross multiply
    805,994.82x = 1,112,545.95 × 500,250.15
  4. Step 4: Simplify right side
    805,994.82x = 556,551,278,369.39
  5. Step 5: Solve for x
    x = 556,551,278,369.39/805,994.82
  6. Step 6: Final answer
    x = 690,514.71

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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.