Home / 788,178.42-1,182,433.72-255,657.94

Finding the Fourth Proportional to 788,178.42, 1,182,433.72 and 255,657.94

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Solution

The fourth proportional to 788,178.42, 1,182,433.72 and 255,657.94 is: 383,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,178.42 : 1,182,433.72 = 255,657.94 : x
  2. Step 2: Convert to fraction form
    788,178.42/1,182,433.72 = 255,657.94/x
  3. Step 3: Cross multiply
    788,178.42x = 1,182,433.72 × 255,657.94
  4. Step 4: Simplify right side
    788,178.42x = 302,298,569,041.74
  5. Step 5: Solve for x
    x = 302,298,569,041.74/788,178.42
  6. Step 6: Final answer
    x = 383,540.78

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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.