Home / 788,009.28-1,181,940.05-255,534.92

Finding the Fourth Proportional to 788,009.28, 1,181,940.05 and 255,534.92

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Solution

The fourth proportional to 788,009.28, 1,181,940.05 and 255,534.92 is: 383,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,009.28 : 1,181,940.05 = 255,534.92 : x
  2. Step 2: Convert to fraction form
    788,009.28/1,181,940.05 = 255,534.92/x
  3. Step 3: Cross multiply
    788,009.28x = 1,181,940.05 × 255,534.92
  4. Step 4: Simplify right side
    788,009.28x = 302,026,962,410.50
  5. Step 5: Solve for x
    x = 302,026,962,410.50/788,009.28
  6. Step 6: Final answer
    x = 383,278.43

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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.