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Finding the Fourth Proportional to 655,760.04, 904,912.74 and 361,351.77

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Solution

The fourth proportional to 655,760.04, 904,912.74 and 361,351.77 is: 498,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,760.04 : 904,912.74 = 361,351.77 : x
  2. Step 2: Convert to fraction form
    655,760.04/904,912.74 = 361,351.77/x
  3. Step 3: Cross multiply
    655,760.04x = 904,912.74 × 361,351.77
  4. Step 4: Simplify right side
    655,760.04x = 326,991,820,294.55
  5. Step 5: Solve for x
    x = 326,991,820,294.55/655,760.04
  6. Step 6: Final answer
    x = 498,645.54

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1.5x scale

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.