Home / 845,433.60-1,268,323.20-284,524.80

Finding the Fourth Proportional to 845,433.60, 1,268,323.20 and 284,524.80

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Solution

The fourth proportional to 845,433.60, 1,268,323.20 and 284,524.80 is: 426,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,433.60 : 1,268,323.20 = 284,524.80 : x
  2. Step 2: Convert to fraction form
    845,433.60/1,268,323.20 = 284,524.80/x
  3. Step 3: Cross multiply
    845,433.60x = 1,268,323.20 × 284,524.80
  4. Step 4: Simplify right side
    845,433.60x = 360,869,404,815.36
  5. Step 5: Solve for x
    x = 360,869,404,815.36/845,433.60
  6. Step 6: Final answer
    x = 426,845.35

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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.