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Finding the Fourth Proportional to 655,073.94, 904,356.86 and 459,441.21

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Solution

The fourth proportional to 655,073.94, 904,356.86 and 459,441.21 is: 634,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,073.94 : 904,356.86 = 459,441.21 : x
  2. Step 2: Convert to fraction form
    655,073.94/904,356.86 = 459,441.21/x
  3. Step 3: Cross multiply
    655,073.94x = 904,356.86 × 459,441.21
  4. Step 4: Simplify right side
    655,073.94x = 415,498,810,030.20
  5. Step 5: Solve for x
    x = 415,498,810,030.20/655,073.94
  6. Step 6: Final answer
    x = 634,277.73

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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.