Home / 649,724.23-896,573.92-377,772.83

Finding the Fourth Proportional to 649,724.23, 896,573.92 and 377,772.83

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Solution

The fourth proportional to 649,724.23, 896,573.92 and 377,772.83 is: 521,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,724.23 : 896,573.92 = 377,772.83 : x
  2. Step 2: Convert to fraction form
    649,724.23/896,573.92 = 377,772.83/x
  3. Step 3: Cross multiply
    649,724.23x = 896,573.92 × 377,772.83
  4. Step 4: Simplify right side
    649,724.23x = 338,701,269,289.87
  5. Step 5: Solve for x
    x = 338,701,269,289.87/649,724.23
  6. Step 6: Final answer
    x = 521,300.04

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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.