Home / 524,371.18-723,687.72-320,541.41

Finding the Fourth Proportional to 524,371.18, 723,687.72 and 320,541.41

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Solution

The fourth proportional to 524,371.18, 723,687.72 and 320,541.41 is: 442,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,371.18 : 723,687.72 = 320,541.41 : x
  2. Step 2: Convert to fraction form
    524,371.18/723,687.72 = 320,541.41/x
  3. Step 3: Cross multiply
    524,371.18x = 723,687.72 × 320,541.41
  4. Step 4: Simplify right side
    524,371.18x = 231,971,882,168.49
  5. Step 5: Solve for x
    x = 231,971,882,168.49/524,371.18
  6. Step 6: Final answer
    x = 442,381.07

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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.