Home / 724,731.88-1,087,471.50-325,650.28

Finding the Fourth Proportional to 724,731.88, 1,087,471.50 and 325,650.28

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Solution

The fourth proportional to 724,731.88, 1,087,471.50 and 325,650.28 is: 488,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,731.88 : 1,087,471.50 = 325,650.28 : x
  2. Step 2: Convert to fraction form
    724,731.88/1,087,471.50 = 325,650.28/x
  3. Step 3: Cross multiply
    724,731.88x = 1,087,471.50 × 325,650.28
  4. Step 4: Simplify right side
    724,731.88x = 354,135,398,467.02
  5. Step 5: Solve for x
    x = 354,135,398,467.02/724,731.88
  6. Step 6: Final answer
    x = 488,643.33

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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.