Home / 829,598.92-1,245,140.12-425,067.12

Finding the Fourth Proportional to 829,598.92, 1,245,140.12 and 425,067.12

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Solution

The fourth proportional to 829,598.92, 1,245,140.12 and 425,067.12 is: 637,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,598.92 : 1,245,140.12 = 425,067.12 : x
  2. Step 2: Convert to fraction form
    829,598.92/1,245,140.12 = 425,067.12/x
  3. Step 3: Cross multiply
    829,598.92x = 1,245,140.12 × 425,067.12
  4. Step 4: Simplify right side
    829,598.92x = 529,268,124,804.85
  5. Step 5: Solve for x
    x = 529,268,124,804.85/829,598.92
  6. Step 6: Final answer
    x = 637,980.73

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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.