Home / 787,539.56-1,181,295.66-255,061.55

Finding the Fourth Proportional to 787,539.56, 1,181,295.66 and 255,061.55

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Solution

The fourth proportional to 787,539.56, 1,181,295.66 and 255,061.55 is: 382,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,539.56 : 1,181,295.66 = 255,061.55 : x
  2. Step 2: Convert to fraction form
    787,539.56/1,181,295.66 = 255,061.55/x
  3. Step 3: Cross multiply
    787,539.56x = 1,181,295.66 × 255,061.55
  4. Step 4: Simplify right side
    787,539.56x = 301,303,105,957.59
  5. Step 5: Solve for x
    x = 301,303,105,957.59/787,539.56
  6. Step 6: Final answer
    x = 382,587.90

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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.