Home / 742,091.50-1,024,086.54-419,794.78

Finding the Fourth Proportional to 742,091.50, 1,024,086.54 and 419,794.78

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Solution

The fourth proportional to 742,091.50, 1,024,086.54 and 419,794.78 is: 579,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,091.50 : 1,024,086.54 = 419,794.78 : x
  2. Step 2: Convert to fraction form
    742,091.50/1,024,086.54 = 419,794.78/x
  3. Step 3: Cross multiply
    742,091.50x = 1,024,086.54 × 419,794.78
  4. Step 4: Simplify right side
    742,091.50x = 429,906,183,760.26
  5. Step 5: Solve for x
    x = 429,906,183,760.26/742,091.50
  6. Step 6: Final answer
    x = 579,316.95

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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.