Home / 845,025.60-1,267,730.40-284,116.80

Finding the Fourth Proportional to 845,025.60, 1,267,730.40 and 284,116.80

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Solution

The fourth proportional to 845,025.60, 1,267,730.40 and 284,116.80 is: 426,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,025.60 : 1,267,730.40 = 284,116.80 : x
  2. Step 2: Convert to fraction form
    845,025.60/1,267,730.40 = 284,116.80/x
  3. Step 3: Cross multiply
    845,025.60x = 1,267,730.40 × 284,116.80
  4. Step 4: Simplify right side
    845,025.60x = 360,183,504,510.72
  5. Step 5: Solve for x
    x = 360,183,504,510.72/845,025.60
  6. Step 6: Final answer
    x = 426,239.75

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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.