Home / 783,742.30-1,175,613.45-251,645.20

Finding the Fourth Proportional to 783,742.30, 1,175,613.45 and 251,645.20

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Solution

The fourth proportional to 783,742.30, 1,175,613.45 and 251,645.20 is: 377,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,742.30 : 1,175,613.45 = 251,645.20 : x
  2. Step 2: Convert to fraction form
    783,742.30/1,175,613.45 = 251,645.20/x
  3. Step 3: Cross multiply
    783,742.30x = 1,175,613.45 × 251,645.20
  4. Step 4: Simplify right side
    783,742.30x = 295,837,481,747.94
  5. Step 5: Solve for x
    x = 295,837,481,747.94/783,742.30
  6. Step 6: Final answer
    x = 377,467.80

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Double scale
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Similar ratio
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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.