Home / 787,557.90-1,181,525.04-255,079.56

Finding the Fourth Proportional to 787,557.90, 1,181,525.04 and 255,079.56

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Solution

The fourth proportional to 787,557.90, 1,181,525.04 and 255,079.56 is: 382,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,557.90 : 1,181,525.04 = 255,079.56 : x
  2. Step 2: Convert to fraction form
    787,557.90/1,181,525.04 = 255,079.56/x
  3. Step 3: Cross multiply
    787,557.90x = 1,181,525.04 × 255,079.56
  4. Step 4: Simplify right side
    787,557.90x = 301,382,887,332.18
  5. Step 5: Solve for x
    x = 301,382,887,332.18/787,557.90
  6. Step 6: Final answer
    x = 382,680.29

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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.