Home / 845,232.75-1,267,849.13-284,267.25

Finding the Fourth Proportional to 845,232.75, 1,267,849.13 and 284,267.25

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Solution

The fourth proportional to 845,232.75, 1,267,849.13 and 284,267.25 is: 426,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,232.75 : 1,267,849.13 = 284,267.25 : x
  2. Step 2: Convert to fraction form
    845,232.75/1,267,849.13 = 284,267.25/x
  3. Step 3: Cross multiply
    845,232.75x = 1,267,849.13 × 284,267.25
  4. Step 4: Simplify right side
    845,232.75x = 360,407,984,178.66
  5. Step 5: Solve for x
    x = 360,407,984,178.66/845,232.75
  6. Step 6: Final answer
    x = 426,400.88

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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.