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Finding the Fourth Proportional to 655,526.27, 904,651.47 and 379,893.58

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Solution

The fourth proportional to 655,526.27, 904,651.47 and 379,893.58 is: 524,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,526.27 : 904,651.47 = 379,893.58 : x
  2. Step 2: Convert to fraction form
    655,526.27/904,651.47 = 379,893.58/x
  3. Step 3: Cross multiply
    655,526.27x = 904,651.47 × 379,893.58
  4. Step 4: Simplify right side
    655,526.27x = 343,671,283,328.93
  5. Step 5: Solve for x
    x = 343,671,283,328.93/655,526.27
  6. Step 6: Final answer
    x = 524,267.75

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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.