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Finding the Fourth Proportional to 655,575.88, 904,750.41 and 369,151.78

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Solution

The fourth proportional to 655,575.88, 904,750.41 and 369,151.78 is: 509,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,575.88 : 904,750.41 = 369,151.78 : x
  2. Step 2: Convert to fraction form
    655,575.88/904,750.41 = 369,151.78/x
  3. Step 3: Cross multiply
    655,575.88x = 904,750.41 × 369,151.78
  4. Step 4: Simplify right side
    655,575.88x = 333,990,224,307.23
  5. Step 5: Solve for x
    x = 333,990,224,307.23/655,575.88
  6. Step 6: Final answer
    x = 509,460.82

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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.