Home / 948,120-1,422,180.12-283,272

Finding the Fourth Proportional to 948,120, 1,422,180.12 and 283,272

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Solution

The fourth proportional to 948,120, 1,422,180.12 and 283,272 is: 424,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,120 : 1,422,180.12 = 283,272 : x
  2. Step 2: Convert to fraction form
    948,120/1,422,180.12 = 283,272/x
  3. Step 3: Cross multiply
    948,120x = 1,422,180.12 × 283,272
  4. Step 4: Simplify right side
    948,120x = 402,863,806,952.64
  5. Step 5: Solve for x
    x = 402,863,806,952.64/948,120
  6. Step 6: Final answer
    x = 424,908.04

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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.