Home / 762,131.31-1,051,856.41-435,513.06

Finding the Fourth Proportional to 762,131.31, 1,051,856.41 and 435,513.06

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Solution

The fourth proportional to 762,131.31, 1,051,856.41 and 435,513.06 is: 601,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,131.31 : 1,051,856.41 = 435,513.06 : x
  2. Step 2: Convert to fraction form
    762,131.31/1,051,856.41 = 435,513.06/x
  3. Step 3: Cross multiply
    762,131.31x = 1,051,856.41 × 435,513.06
  4. Step 4: Simplify right side
    762,131.31x = 458,097,203,527.52
  5. Step 5: Solve for x
    x = 458,097,203,527.52/762,131.31
  6. Step 6: Final answer
    x = 601,073.85

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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.