Home / 632,578.56-872,872.20-377,875.68

Finding the Fourth Proportional to 632,578.56, 872,872.20 and 377,875.68

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Solution

The fourth proportional to 632,578.56, 872,872.20 and 377,875.68 is: 521,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,578.56 : 872,872.20 = 377,875.68 : x
  2. Step 2: Convert to fraction form
    632,578.56/872,872.20 = 377,875.68/x
  3. Step 3: Cross multiply
    632,578.56x = 872,872.20 × 377,875.68
  4. Step 4: Simplify right side
    632,578.56x = 329,837,176,128.10
  5. Step 5: Solve for x
    x = 329,837,176,128.10/632,578.56
  6. Step 6: Final answer
    x = 521,416.94

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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.