Home / 767,761.62-1,151,810.90-235,322.70

Finding the Fourth Proportional to 767,761.62, 1,151,810.90 and 235,322.70

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Solution

The fourth proportional to 767,761.62, 1,151,810.90 and 235,322.70 is: 353,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,761.62 : 1,151,810.90 = 235,322.70 : x
  2. Step 2: Convert to fraction form
    767,761.62/1,151,810.90 = 235,322.70/x
  3. Step 3: Cross multiply
    767,761.62x = 1,151,810.90 × 235,322.70
  4. Step 4: Simplify right side
    767,761.62x = 271,047,250,877.43
  5. Step 5: Solve for x
    x = 271,047,250,877.43/767,761.62
  6. Step 6: Final answer
    x = 353,035.69

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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.