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Finding the Fourth Proportional to 528,896.67, 729,877.41 and 302,542.17

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Solution

The fourth proportional to 528,896.67, 729,877.41 and 302,542.17 is: 417,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,896.67 : 729,877.41 = 302,542.17 : x
  2. Step 2: Convert to fraction form
    528,896.67/729,877.41 = 302,542.17/x
  3. Step 3: Cross multiply
    528,896.67x = 729,877.41 × 302,542.17
  4. Step 4: Simplify right side
    528,896.67x = 220,818,695,455.38
  5. Step 5: Solve for x
    x = 220,818,695,455.38/528,896.67
  6. Step 6: Final answer
    x = 417,508.20

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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.