Home / 570,849.60-787,025.52-491,133.36

Finding the Fourth Proportional to 570,849.60, 787,025.52 and 491,133.36

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Solution

The fourth proportional to 570,849.60, 787,025.52 and 491,133.36 is: 677,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,849.60 : 787,025.52 = 491,133.36 : x
  2. Step 2: Convert to fraction form
    570,849.60/787,025.52 = 491,133.36/x
  3. Step 3: Cross multiply
    570,849.60x = 787,025.52 × 491,133.36
  4. Step 4: Simplify right side
    570,849.60x = 386,534,488,043.35
  5. Step 5: Solve for x
    x = 386,534,488,043.35/570,849.60
  6. Step 6: Final answer
    x = 677,121.41

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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.