Home / 928,206.18-1,392,310.48-254,293.40

Finding the Fourth Proportional to 928,206.18, 1,392,310.48 and 254,293.40

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Solution

The fourth proportional to 928,206.18, 1,392,310.48 and 254,293.40 is: 381,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,206.18 : 1,392,310.48 = 254,293.40 : x
  2. Step 2: Convert to fraction form
    928,206.18/1,392,310.48 = 254,293.40/x
  3. Step 3: Cross multiply
    928,206.18x = 1,392,310.48 × 254,293.40
  4. Step 4: Simplify right side
    928,206.18x = 354,055,365,814.83
  5. Step 5: Solve for x
    x = 354,055,365,814.83/928,206.18
  6. Step 6: Final answer
    x = 381,440.43

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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.