Home / 742,160.86-1,024,150.56-419,876.44

Finding the Fourth Proportional to 742,160.86, 1,024,150.56 and 419,876.44

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Solution

The fourth proportional to 742,160.86, 1,024,150.56 and 419,876.44 is: 579,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,160.86 : 1,024,150.56 = 419,876.44 : x
  2. Step 2: Convert to fraction form
    742,160.86/1,024,150.56 = 419,876.44/x
  3. Step 3: Cross multiply
    742,160.86x = 1,024,150.56 × 419,876.44
  4. Step 4: Simplify right side
    742,160.86x = 430,016,691,156.81
  5. Step 5: Solve for x
    x = 430,016,691,156.81/742,160.86
  6. Step 6: Final answer
    x = 579,411.71

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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.