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Finding the Fourth Proportional to 557,107.36, 835,340.52 and 297,124.22

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Solution

The fourth proportional to 557,107.36, 835,340.52 and 297,124.22 is: 445,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,107.36 : 835,340.52 = 297,124.22 : x
  2. Step 2: Convert to fraction form
    557,107.36/835,340.52 = 297,124.22/x
  3. Step 3: Cross multiply
    557,107.36x = 835,340.52 × 297,124.22
  4. Step 4: Simplify right side
    557,107.36x = 248,199,900,439.39
  5. Step 5: Solve for x
    x = 248,199,900,439.39/557,107.36
  6. Step 6: Final answer
    x = 445,515.39

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1.5x scale

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.