Home / 928,203.80-1,392,306.91-254,291.02

Finding the Fourth Proportional to 928,203.80, 1,392,306.91 and 254,291.02

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Solution

The fourth proportional to 928,203.80, 1,392,306.91 and 254,291.02 is: 381,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,203.80 : 1,392,306.91 = 254,291.02 : x
  2. Step 2: Convert to fraction form
    928,203.80/1,392,306.91 = 254,291.02/x
  3. Step 3: Cross multiply
    928,203.80x = 1,392,306.91 × 254,291.02
  4. Step 4: Simplify right side
    928,203.80x = 354,051,144,296.95
  5. Step 5: Solve for x
    x = 354,051,144,296.95/928,203.80
  6. Step 6: Final answer
    x = 381,436.86

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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.