Home / 632,022.64-948,272.72-379,479.22

Finding the Fourth Proportional to 632,022.64, 948,272.72 and 379,479.22

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Solution

The fourth proportional to 632,022.64, 948,272.72 and 379,479.22 is: 569,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,022.64 : 948,272.72 = 379,479.22 : x
  2. Step 2: Convert to fraction form
    632,022.64/948,272.72 = 379,479.22/x
  3. Step 3: Cross multiply
    632,022.64x = 948,272.72 × 379,479.22
  4. Step 4: Simplify right side
    632,022.64x = 359,849,792,132.88
  5. Step 5: Solve for x
    x = 359,849,792,132.88/632,022.64
  6. Step 6: Final answer
    x = 569,362.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.