Home / 762,634.12-1,052,560.98-423,211.72

Finding the Fourth Proportional to 762,634.12, 1,052,560.98 and 423,211.72

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Solution

The fourth proportional to 762,634.12, 1,052,560.98 and 423,211.72 is: 584,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,634.12 : 1,052,560.98 = 423,211.72 : x
  2. Step 2: Convert to fraction form
    762,634.12/1,052,560.98 = 423,211.72/x
  3. Step 3: Cross multiply
    762,634.12x = 1,052,560.98 × 423,211.72
  4. Step 4: Simplify right side
    762,634.12x = 445,456,142,750.69
  5. Step 5: Solve for x
    x = 445,456,142,750.69/762,634.12
  6. Step 6: Final answer
    x = 584,102.04

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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.