Home / 868,822.40-1,303,233.60-585,387.20

Finding the Fourth Proportional to 868,822.40, 1,303,233.60 and 585,387.20

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Solution

The fourth proportional to 868,822.40, 1,303,233.60 and 585,387.20 is: 878,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,822.40 : 1,303,233.60 = 585,387.20 : x
  2. Step 2: Convert to fraction form
    868,822.40/1,303,233.60 = 585,387.20/x
  3. Step 3: Cross multiply
    868,822.40x = 1,303,233.60 × 585,387.20
  4. Step 4: Simplify right side
    868,822.40x = 762,896,268,049.92
  5. Step 5: Solve for x
    x = 762,896,268,049.92/868,822.40
  6. Step 6: Final answer
    x = 878,080.80

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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.