Home / 787,309.80-1,181,256.30-254,848.20

Finding the Fourth Proportional to 787,309.80, 1,181,256.30 and 254,848.20

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Solution

The fourth proportional to 787,309.80, 1,181,256.30 and 254,848.20 is: 382,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,309.80 : 1,181,256.30 = 254,848.20 : x
  2. Step 2: Convert to fraction form
    787,309.80/1,181,256.30 = 254,848.20/x
  3. Step 3: Cross multiply
    787,309.80x = 1,181,256.30 × 254,848.20
  4. Step 4: Simplify right side
    787,309.80x = 301,041,041,793.66
  5. Step 5: Solve for x
    x = 301,041,041,793.66/787,309.80
  6. Step 6: Final answer
    x = 382,366.69

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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.