Home / 852,912.90-1,177,025.52-465,731.01

Finding the Fourth Proportional to 852,912.90, 1,177,025.52 and 465,731.01

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Solution

The fourth proportional to 852,912.90, 1,177,025.52 and 465,731.01 is: 642,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,912.90 : 1,177,025.52 = 465,731.01 : x
  2. Step 2: Convert to fraction form
    852,912.90/1,177,025.52 = 465,731.01/x
  3. Step 3: Cross multiply
    852,912.90x = 1,177,025.52 × 465,731.01
  4. Step 4: Simplify right side
    852,912.90x = 548,177,284,225.38
  5. Step 5: Solve for x
    x = 548,177,284,225.38/852,912.90
  6. Step 6: Final answer
    x = 642,711.92

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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.