Home / 768,515.60-1,152,946.20-236,061.20

Finding the Fourth Proportional to 768,515.60, 1,152,946.20 and 236,061.20

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Solution

The fourth proportional to 768,515.60, 1,152,946.20 and 236,061.20 is: 354,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,515.60 : 1,152,946.20 = 236,061.20 : x
  2. Step 2: Convert to fraction form
    768,515.60/1,152,946.20 = 236,061.20/x
  3. Step 3: Cross multiply
    768,515.60x = 1,152,946.20 × 236,061.20
  4. Step 4: Simplify right side
    768,515.60x = 272,165,863,507.44
  5. Step 5: Solve for x
    x = 272,165,863,507.44/768,515.60
  6. Step 6: Final answer
    x = 354,144.88

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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.