Home / 726,723.40-1,090,473.90-306,041.80

Finding the Fourth Proportional to 726,723.40, 1,090,473.90 and 306,041.80

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Solution

The fourth proportional to 726,723.40, 1,090,473.90 and 306,041.80 is: 459,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,723.40 : 1,090,473.90 = 306,041.80 : x
  2. Step 2: Convert to fraction form
    726,723.40/1,090,473.90 = 306,041.80/x
  3. Step 3: Cross multiply
    726,723.40x = 1,090,473.90 × 306,041.80
  4. Step 4: Simplify right side
    726,723.40x = 333,730,595,209.02
  5. Step 5: Solve for x
    x = 333,730,595,209.02/726,723.40
  6. Step 6: Final answer
    x = 459,226.43

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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.