Home / 768,905.46-1,153,604.98-369,575.20

Finding the Fourth Proportional to 768,905.46, 1,153,604.98 and 369,575.20

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Solution

The fourth proportional to 768,905.46, 1,153,604.98 and 369,575.20 is: 554,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,905.46 : 1,153,604.98 = 369,575.20 : x
  2. Step 2: Convert to fraction form
    768,905.46/1,153,604.98 = 369,575.20/x
  3. Step 3: Cross multiply
    768,905.46x = 1,153,604.98 × 369,575.20
  4. Step 4: Simplify right side
    768,905.46x = 426,343,791,204.50
  5. Step 5: Solve for x
    x = 426,343,791,204.50/768,905.46
  6. Step 6: Final answer
    x = 554,481.42

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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.