Home / 845,419.60-1,268,302.20-284,510.80

Finding the Fourth Proportional to 845,419.60, 1,268,302.20 and 284,510.80

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Solution

The fourth proportional to 845,419.60, 1,268,302.20 and 284,510.80 is: 426,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,419.60 : 1,268,302.20 = 284,510.80 : x
  2. Step 2: Convert to fraction form
    845,419.60/1,268,302.20 = 284,510.80/x
  3. Step 3: Cross multiply
    845,419.60x = 1,268,302.20 × 284,510.80
  4. Step 4: Simplify right side
    845,419.60x = 360,845,673,563.76
  5. Step 5: Solve for x
    x = 360,845,673,563.76/845,419.60
  6. Step 6: Final answer
    x = 426,824.35

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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.