Home / 632,039.85-872,291.57-356,450.18

Finding the Fourth Proportional to 632,039.85, 872,291.57 and 356,450.18

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Solution

The fourth proportional to 632,039.85, 872,291.57 and 356,450.18 is: 491,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,039.85 : 872,291.57 = 356,450.18 : x
  2. Step 2: Convert to fraction form
    632,039.85/872,291.57 = 356,450.18/x
  3. Step 3: Cross multiply
    632,039.85x = 872,291.57 × 356,450.18
  4. Step 4: Simplify right side
    632,039.85x = 310,928,480,995.27
  5. Step 5: Solve for x
    x = 310,928,480,995.27/632,039.85
  6. Step 6: Final answer
    x = 491,944.43

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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.