Home / 742,162.50-1,024,184.52-419,865.66

Finding the Fourth Proportional to 742,162.50, 1,024,184.52 and 419,865.66

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Solution

The fourth proportional to 742,162.50, 1,024,184.52 and 419,865.66 is: 579,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,162.50 : 1,024,184.52 = 419,865.66 : x
  2. Step 2: Convert to fraction form
    742,162.50/1,024,184.52 = 419,865.66/x
  3. Step 3: Cross multiply
    742,162.50x = 1,024,184.52 × 419,865.66
  4. Step 4: Simplify right side
    742,162.50x = 430,019,909,451.58
  5. Step 5: Solve for x
    x = 430,019,909,451.58/742,162.50
  6. Step 6: Final answer
    x = 579,414.76

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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.