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Finding the Fourth Proportional to 655,759.04, 904,911.36 and 361,350.77

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Solution

The fourth proportional to 655,759.04, 904,911.36 and 361,350.77 is: 498,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,759.04 : 904,911.36 = 361,350.77 : x
  2. Step 2: Convert to fraction form
    655,759.04/904,911.36 = 361,350.77/x
  3. Step 3: Cross multiply
    655,759.04x = 904,911.36 × 361,350.77
  4. Step 4: Simplify right side
    655,759.04x = 326,990,412,193.19
  5. Step 5: Solve for x
    x = 326,990,412,193.19/655,759.04
  6. Step 6: Final answer
    x = 498,644.16

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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.