Home / 632,196.57-872,422.88-360,280.65

Finding the Fourth Proportional to 632,196.57, 872,422.88 and 360,280.65

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Solution

The fourth proportional to 632,196.57, 872,422.88 and 360,280.65 is: 497,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,196.57 : 872,422.88 = 360,280.65 : x
  2. Step 2: Convert to fraction form
    632,196.57/872,422.88 = 360,280.65/x
  3. Step 3: Cross multiply
    632,196.57x = 872,422.88 × 360,280.65
  4. Step 4: Simplify right side
    632,196.57x = 314,317,080,479.87
  5. Step 5: Solve for x
    x = 314,317,080,479.87/632,196.57
  6. Step 6: Final answer
    x = 497,182.51

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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.