Home / 788,186.32-1,182,445.53-255,665.84

Finding the Fourth Proportional to 788,186.32, 1,182,445.53 and 255,665.84

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Solution

The fourth proportional to 788,186.32, 1,182,445.53 and 255,665.84 is: 383,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,186.32 : 1,182,445.53 = 255,665.84 : x
  2. Step 2: Convert to fraction form
    788,186.32/1,182,445.53 = 255,665.84/x
  3. Step 3: Cross multiply
    788,186.32x = 1,182,445.53 × 255,665.84
  4. Step 4: Simplify right side
    788,186.32x = 302,310,929,681.70
  5. Step 5: Solve for x
    x = 302,310,929,681.70/788,186.32
  6. Step 6: Final answer
    x = 383,552.62

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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.