Home / 744,391.96-1,117,047.22-344,958.28

Finding the Fourth Proportional to 744,391.96, 1,117,047.22 and 344,958.28

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Solution

The fourth proportional to 744,391.96, 1,117,047.22 and 344,958.28 is: 517,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,391.96 : 1,117,047.22 = 344,958.28 : x
  2. Step 2: Convert to fraction form
    744,391.96/1,117,047.22 = 344,958.28/x
  3. Step 3: Cross multiply
    744,391.96x = 1,117,047.22 × 344,958.28
  4. Step 4: Simplify right side
    744,391.96x = 385,334,687,689.98
  5. Step 5: Solve for x
    x = 385,334,687,689.98/744,391.96
  6. Step 6: Final answer
    x = 517,650.25

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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.