Home / 762,425.89-1,052,140.13-422,885.41

Finding the Fourth Proportional to 762,425.89, 1,052,140.13 and 422,885.41

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Solution

The fourth proportional to 762,425.89, 1,052,140.13 and 422,885.41 is: 583,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,425.89 : 1,052,140.13 = 422,885.41 : x
  2. Step 2: Convert to fraction form
    762,425.89/1,052,140.13 = 422,885.41/x
  3. Step 3: Cross multiply
    762,425.89x = 1,052,140.13 × 422,885.41
  4. Step 4: Simplify right side
    762,425.89x = 444,934,708,138.08
  5. Step 5: Solve for x
    x = 444,934,708,138.08/762,425.89
  6. Step 6: Final answer
    x = 583,577.65

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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.