Home / 557,359.28-835,775.56-215,962.64

Finding the Fourth Proportional to 557,359.28, 835,775.56 and 215,962.64

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Solution

The fourth proportional to 557,359.28, 835,775.56 and 215,962.64 is: 323,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,359.28 : 835,775.56 = 215,962.64 : x
  2. Step 2: Convert to fraction form
    557,359.28/835,775.56 = 215,962.64/x
  3. Step 3: Cross multiply
    557,359.28x = 835,775.56 × 215,962.64
  4. Step 4: Simplify right side
    557,359.28x = 180,496,296,385.08
  5. Step 5: Solve for x
    x = 180,496,296,385.08/557,359.28
  6. Step 6: Final answer
    x = 323,841.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.