Home / 851,270.67-1,174,761.53-469,311.12

Finding the Fourth Proportional to 851,270.67, 1,174,761.53 and 469,311.12

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Solution

The fourth proportional to 851,270.67, 1,174,761.53 and 469,311.12 is: 647,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,270.67 : 1,174,761.53 = 469,311.12 : x
  2. Step 2: Convert to fraction form
    851,270.67/1,174,761.53 = 469,311.12/x
  3. Step 3: Cross multiply
    851,270.67x = 1,174,761.53 × 469,311.12
  4. Step 4: Simplify right side
    851,270.67x = 551,328,649,377.21
  5. Step 5: Solve for x
    x = 551,328,649,377.21/851,270.67
  6. Step 6: Final answer
    x = 647,653.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.