Home / 914,675.84-1,372,481.76-435,445.28

Finding the Fourth Proportional to 914,675.84, 1,372,481.76 and 435,445.28

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Solution

The fourth proportional to 914,675.84, 1,372,481.76 and 435,445.28 is: 653,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,675.84 : 1,372,481.76 = 435,445.28 : x
  2. Step 2: Convert to fraction form
    914,675.84/1,372,481.76 = 435,445.28/x
  3. Step 3: Cross multiply
    914,675.84x = 1,372,481.76 × 435,445.28
  4. Step 4: Simplify right side
    914,675.84x = 597,640,704,278.09
  5. Step 5: Solve for x
    x = 597,640,704,278.09/914,675.84
  6. Step 6: Final answer
    x = 653,390.72

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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.