Home / 557,336.18-769,024.05-331,037.30

Finding the Fourth Proportional to 557,336.18, 769,024.05 and 331,037.30

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Solution

The fourth proportional to 557,336.18, 769,024.05 and 331,037.30 is: 456,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,336.18 : 769,024.05 = 331,037.30 : x
  2. Step 2: Convert to fraction form
    557,336.18/769,024.05 = 331,037.30/x
  3. Step 3: Cross multiply
    557,336.18x = 769,024.05 × 331,037.30
  4. Step 4: Simplify right side
    557,336.18x = 254,575,645,147.07
  5. Step 5: Solve for x
    x = 254,575,645,147.07/557,336.18
  6. Step 6: Final answer
    x = 456,772.15

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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.