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Finding the Fourth Proportional to 404,703.72, 606,582.90 and 304,542

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Solution

The fourth proportional to 404,703.72, 606,582.90 and 304,542 is: 456,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,703.72 : 606,582.90 = 304,542 : x
  2. Step 2: Convert to fraction form
    404,703.72/606,582.90 = 304,542/x
  3. Step 3: Cross multiply
    404,703.72x = 606,582.90 × 304,542
  4. Step 4: Simplify right side
    404,703.72x = 184,729,969,531.80
  5. Step 5: Solve for x
    x = 184,729,969,531.80/404,703.72
  6. Step 6: Final answer
    x = 456,457.31

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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.