Home / 908,341.70-1,253,512.72-494,876.42

Finding the Fourth Proportional to 908,341.70, 1,253,512.72 and 494,876.42

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Solution

The fourth proportional to 908,341.70, 1,253,512.72 and 494,876.42 is: 682,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,341.70 : 1,253,512.72 = 494,876.42 : x
  2. Step 2: Convert to fraction form
    908,341.70/1,253,512.72 = 494,876.42/x
  3. Step 3: Cross multiply
    908,341.70x = 1,253,512.72 × 494,876.42
  4. Step 4: Simplify right side
    908,341.70x = 620,333,887,298.06
  5. Step 5: Solve for x
    x = 620,333,887,298.06/908,341.70
  6. Step 6: Final answer
    x = 682,930.10

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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.