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Finding the Fourth Proportional to 618,590.40, 854,065.92 and 475,094

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Solution

The fourth proportional to 618,590.40, 854,065.92 and 475,094 is: 655,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,590.40 : 854,065.92 = 475,094 : x
  2. Step 2: Convert to fraction form
    618,590.40/854,065.92 = 475,094/x
  3. Step 3: Cross multiply
    618,590.40x = 854,065.92 × 475,094
  4. Step 4: Simplify right side
    618,590.40x = 405,761,594,196.48
  5. Step 5: Solve for x
    x = 405,761,594,196.48/618,590.40
  6. Step 6: Final answer
    x = 655,945.51

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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.