Home / 845,637.60-1,268,456.40-513,861.60

Finding the Fourth Proportional to 845,637.60, 1,268,456.40 and 513,861.60

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Solution

The fourth proportional to 845,637.60, 1,268,456.40 and 513,861.60 is: 770,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,637.60 : 1,268,456.40 = 513,861.60 : x
  2. Step 2: Convert to fraction form
    845,637.60/1,268,456.40 = 513,861.60/x
  3. Step 3: Cross multiply
    845,637.60x = 1,268,456.40 × 513,861.60
  4. Step 4: Simplify right side
    845,637.60x = 651,811,035,234.24
  5. Step 5: Solve for x
    x = 651,811,035,234.24/845,637.60
  6. Step 6: Final answer
    x = 770,792.40

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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.