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Finding the Fourth Proportional to 655,177.95, 904,154.49 and 383,404.86

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Solution

The fourth proportional to 655,177.95, 904,154.49 and 383,404.86 is: 529,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,177.95 : 904,154.49 = 383,404.86 : x
  2. Step 2: Convert to fraction form
    655,177.95/904,154.49 = 383,404.86/x
  3. Step 3: Cross multiply
    655,177.95x = 904,154.49 × 383,404.86
  4. Step 4: Simplify right side
    655,177.95x = 346,657,225,656.82
  5. Step 5: Solve for x
    x = 346,657,225,656.82/655,177.95
  6. Step 6: Final answer
    x = 529,103.93

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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.