Home / 992,650.87-1,488,374.98-445,442.93

Finding the Fourth Proportional to 992,650.87, 1,488,374.98 and 445,442.93

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Solution

The fourth proportional to 992,650.87, 1,488,374.98 and 445,442.93 is: 667,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,650.87 : 1,488,374.98 = 445,442.93 : x
  2. Step 2: Convert to fraction form
    992,650.87/1,488,374.98 = 445,442.93/x
  3. Step 3: Cross multiply
    992,650.87x = 1,488,374.98 × 445,442.93
  4. Step 4: Simplify right side
    992,650.87x = 662,986,112,029.89
  5. Step 5: Solve for x
    x = 662,986,112,029.89/992,650.87
  6. Step 6: Final answer
    x = 667,894.56

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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.