Home / 769,432.53-1,154,148.78-208,467.03

Finding the Fourth Proportional to 769,432.53, 1,154,148.78 and 208,467.03

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Solution

The fourth proportional to 769,432.53, 1,154,148.78 and 208,467.03 is: 312,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.53 : 1,154,148.78 = 208,467.03 : x
  2. Step 2: Convert to fraction form
    769,432.53/1,154,148.78 = 208,467.03/x
  3. Step 3: Cross multiply
    769,432.53x = 1,154,148.78 × 208,467.03
  4. Step 4: Simplify right side
    769,432.53x = 240,601,968,344.72
  5. Step 5: Solve for x
    x = 240,601,968,344.72/769,432.53
  6. Step 6: Final answer
    x = 312,700.54

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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.