Home / 742,167.34-1,024,191.30-402,635.50

Finding the Fourth Proportional to 742,167.34, 1,024,191.30 and 402,635.50

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Solution

The fourth proportional to 742,167.34, 1,024,191.30 and 402,635.50 is: 555,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,167.34 : 1,024,191.30 = 402,635.50 : x
  2. Step 2: Convert to fraction form
    742,167.34/1,024,191.30 = 402,635.50/x
  3. Step 3: Cross multiply
    742,167.34x = 1,024,191.30 × 402,635.50
  4. Step 4: Simplify right side
    742,167.34x = 412,375,776,171.15
  5. Step 5: Solve for x
    x = 412,375,776,171.15/742,167.34
  6. Step 6: Final answer
    x = 555,637.19

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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.