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Finding the Fourth Proportional to 524,429.91, 786,280.37 and 267,763.59

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Solution

The fourth proportional to 524,429.91, 786,280.37 and 267,763.59 is: 401,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,429.91 : 786,280.37 = 267,763.59 : x
  2. Step 2: Convert to fraction form
    524,429.91/786,280.37 = 267,763.59/x
  3. Step 3: Cross multiply
    524,429.91x = 786,280.37 × 267,763.59
  4. Step 4: Simplify right side
    524,429.91x = 210,537,253,278.91
  5. Step 5: Solve for x
    x = 210,537,253,278.91/524,429.91
  6. Step 6: Final answer
    x = 401,459.28

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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.