Home / 655,926.48-905,127.12-383,956.56

Finding the Fourth Proportional to 655,926.48, 905,127.12 and 383,956.56

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Solution

The fourth proportional to 655,926.48, 905,127.12 and 383,956.56 is: 529,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,926.48 : 905,127.12 = 383,956.56 : x
  2. Step 2: Convert to fraction form
    655,926.48/905,127.12 = 383,956.56/x
  3. Step 3: Cross multiply
    655,926.48x = 905,127.12 × 383,956.56
  4. Step 4: Simplify right side
    655,926.48x = 347,529,495,357.91
  5. Step 5: Solve for x
    x = 347,529,495,357.91/655,926.48
  6. Step 6: Final answer
    x = 529,829.95

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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.