Home / 762,425.64-1,052,139.78-422,885.16

Finding the Fourth Proportional to 762,425.64, 1,052,139.78 and 422,885.16

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Solution

The fourth proportional to 762,425.64, 1,052,139.78 and 422,885.16 is: 583,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,425.64 : 1,052,139.78 = 422,885.16 : x
  2. Step 2: Convert to fraction form
    762,425.64/1,052,139.78 = 422,885.16/x
  3. Step 3: Cross multiply
    762,425.64x = 1,052,139.78 × 422,885.16
  4. Step 4: Simplify right side
    762,425.64x = 444,934,299,207.67
  5. Step 5: Solve for x
    x = 444,934,299,207.67/762,425.64
  6. Step 6: Final answer
    x = 583,577.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.