Home / 788,134.75-1,182,091.29-255,660.46

Finding the Fourth Proportional to 788,134.75, 1,182,091.29 and 255,660.46

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Solution

The fourth proportional to 788,134.75, 1,182,091.29 and 255,660.46 is: 383,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,134.75 : 1,182,091.29 = 255,660.46 : x
  2. Step 2: Convert to fraction form
    788,134.75/1,182,091.29 = 255,660.46/x
  3. Step 3: Cross multiply
    788,134.75x = 1,182,091.29 × 255,660.46
  4. Step 4: Simplify right side
    788,134.75x = 302,214,002,963.39
  5. Step 5: Solve for x
    x = 302,214,002,963.39/788,134.75
  6. Step 6: Final answer
    x = 383,454.74

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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.