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Finding the Fourth Proportional to 655,376.83, 904,401.73 and 364,988.32

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Solution

The fourth proportional to 655,376.83, 904,401.73 and 364,988.32 is: 503,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,376.83 : 904,401.73 = 364,988.32 : x
  2. Step 2: Convert to fraction form
    655,376.83/904,401.73 = 364,988.32/x
  3. Step 3: Cross multiply
    655,376.83x = 904,401.73 × 364,988.32
  4. Step 4: Simplify right side
    655,376.83x = 330,096,064,179.97
  5. Step 5: Solve for x
    x = 330,096,064,179.97/655,376.83
  6. Step 6: Final answer
    x = 503,673.68

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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.