Home / 812,938.82-1,219,471.32-244,275.53

Finding the Fourth Proportional to 812,938.82, 1,219,471.32 and 244,275.53

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Solution

The fourth proportional to 812,938.82, 1,219,471.32 and 244,275.53 is: 366,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,938.82 : 1,219,471.32 = 244,275.53 : x
  2. Step 2: Convert to fraction form
    812,938.82/1,219,471.32 = 244,275.53/x
  3. Step 3: Cross multiply
    812,938.82x = 1,219,471.32 × 244,275.53
  4. Step 4: Simplify right side
    812,938.82x = 297,887,003,012.80
  5. Step 5: Solve for x
    x = 297,887,003,012.80/812,938.82
  6. Step 6: Final answer
    x = 366,432.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.