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Finding the Fourth Proportional to 618,588.40, 854,063.16 and 475,092

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Solution

The fourth proportional to 618,588.40, 854,063.16 and 475,092 is: 655,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,588.40 : 854,063.16 = 475,092 : x
  2. Step 2: Convert to fraction form
    618,588.40/854,063.16 = 475,092/x
  3. Step 3: Cross multiply
    618,588.40x = 854,063.16 × 475,092
  4. Step 4: Simplify right side
    618,588.40x = 405,758,574,810.72
  5. Step 5: Solve for x
    x = 405,758,574,810.72/618,588.40
  6. Step 6: Final answer
    x = 655,942.75

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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.