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Finding the Fourth Proportional to 524,021.75, 723,102.29 and 303,220.87

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Solution

The fourth proportional to 524,021.75, 723,102.29 and 303,220.87 is: 418,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,021.75 : 723,102.29 = 303,220.87 : x
  2. Step 2: Convert to fraction form
    524,021.75/723,102.29 = 303,220.87/x
  3. Step 3: Cross multiply
    524,021.75x = 723,102.29 × 303,220.87
  4. Step 4: Simplify right side
    524,021.75x = 219,259,706,230.84
  5. Step 5: Solve for x
    x = 219,259,706,230.84/524,021.75
  6. Step 6: Final answer
    x = 418,417.19

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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.