Home / 836,459.55-1,254,689.33-275,421.15

Finding the Fourth Proportional to 836,459.55, 1,254,689.33 and 275,421.15

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Solution

The fourth proportional to 836,459.55, 1,254,689.33 and 275,421.15 is: 413,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,459.55 : 1,254,689.33 = 275,421.15 : x
  2. Step 2: Convert to fraction form
    836,459.55/1,254,689.33 = 275,421.15/x
  3. Step 3: Cross multiply
    836,459.55x = 1,254,689.33 × 275,421.15
  4. Step 4: Simplify right side
    836,459.55x = 345,567,976,784.22
  5. Step 5: Solve for x
    x = 345,567,976,784.22/836,459.55
  6. Step 6: Final answer
    x = 413,131.73

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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.