Home / 742,168.38-1,024,160.90-419,883.96

Finding the Fourth Proportional to 742,168.38, 1,024,160.90 and 419,883.96

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Solution

The fourth proportional to 742,168.38, 1,024,160.90 and 419,883.96 is: 579,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,168.38 : 1,024,160.90 = 419,883.96 : x
  2. Step 2: Convert to fraction form
    742,168.38/1,024,160.90 = 419,883.96/x
  3. Step 3: Cross multiply
    742,168.38x = 1,024,160.90 × 419,883.96
  4. Step 4: Simplify right side
    742,168.38x = 430,028,734,369.16
  5. Step 5: Solve for x
    x = 430,028,734,369.16/742,168.38
  6. Step 6: Final answer
    x = 579,422.06

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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.