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Finding the Fourth Proportional to 524,380.17, 723,700.14 and 320,550.39

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Solution

The fourth proportional to 524,380.17, 723,700.14 and 320,550.39 is: 442,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,380.17 : 723,700.14 = 320,550.39 : x
  2. Step 2: Convert to fraction form
    524,380.17/723,700.14 = 320,550.39/x
  3. Step 3: Cross multiply
    524,380.17x = 723,700.14 × 320,550.39
  4. Step 4: Simplify right side
    524,380.17x = 231,982,362,120.06
  5. Step 5: Solve for x
    x = 231,982,362,120.06/524,380.17
  6. Step 6: Final answer
    x = 442,393.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.