Home / 570,629.61-787,467.62-328,910.52

Finding the Fourth Proportional to 570,629.61, 787,467.62 and 328,910.52

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Solution

The fourth proportional to 570,629.61, 787,467.62 and 328,910.52 is: 453,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,629.61 : 787,467.62 = 328,910.52 : x
  2. Step 2: Convert to fraction form
    570,629.61/787,467.62 = 328,910.52/x
  3. Step 3: Cross multiply
    570,629.61x = 787,467.62 × 328,910.52
  4. Step 4: Simplify right side
    570,629.61x = 259,006,388,152.64
  5. Step 5: Solve for x
    x = 259,006,388,152.64/570,629.61
  6. Step 6: Final answer
    x = 453,895.81

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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.