Home / 845,436.60-1,268,327.70-284,527.80

Finding the Fourth Proportional to 845,436.60, 1,268,327.70 and 284,527.80

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Solution

The fourth proportional to 845,436.60, 1,268,327.70 and 284,527.80 is: 426,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,436.60 : 1,268,327.70 = 284,527.80 : x
  2. Step 2: Convert to fraction form
    845,436.60/1,268,327.70 = 284,527.80/x
  3. Step 3: Cross multiply
    845,436.60x = 1,268,327.70 × 284,527.80
  4. Step 4: Simplify right side
    845,436.60x = 360,874,490,160.06
  5. Step 5: Solve for x
    x = 360,874,490,160.06/845,436.60
  6. Step 6: Final answer
    x = 426,849.86

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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.