Home / 843,224.40-1,264,399.20-310,471.20

Finding the Fourth Proportional to 843,224.40, 1,264,399.20 and 310,471.20

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Solution

The fourth proportional to 843,224.40, 1,264,399.20 and 310,471.20 is: 465,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,224.40 : 1,264,399.20 = 310,471.20 : x
  2. Step 2: Convert to fraction form
    843,224.40/1,264,399.20 = 310,471.20/x
  3. Step 3: Cross multiply
    843,224.40x = 1,264,399.20 × 310,471.20
  4. Step 4: Simplify right side
    843,224.40x = 392,559,536,903.04
  5. Step 5: Solve for x
    x = 392,559,536,903.04/843,224.40
  6. Step 6: Final answer
    x = 465,545.75

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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.