Home / 928,711.13-1,392,973.38-254,860.20

Finding the Fourth Proportional to 928,711.13, 1,392,973.38 and 254,860.20

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Solution

The fourth proportional to 928,711.13, 1,392,973.38 and 254,860.20 is: 382,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,711.13 : 1,392,973.38 = 254,860.20 : x
  2. Step 2: Convert to fraction form
    928,711.13/1,392,973.38 = 254,860.20/x
  3. Step 3: Cross multiply
    928,711.13x = 1,392,973.38 × 254,860.20
  4. Step 4: Simplify right side
    928,711.13x = 355,013,474,221.48
  5. Step 5: Solve for x
    x = 355,013,474,221.48/928,711.13
  6. Step 6: Final answer
    x = 382,264.69

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1.5x scale

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.