Home / 992,650.88-1,488,374.98-445,442.94

Finding the Fourth Proportional to 992,650.88, 1,488,374.98 and 445,442.94

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Solution

The fourth proportional to 992,650.88, 1,488,374.98 and 445,442.94 is: 667,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,650.88 : 1,488,374.98 = 445,442.94 : x
  2. Step 2: Convert to fraction form
    992,650.88/1,488,374.98 = 445,442.94/x
  3. Step 3: Cross multiply
    992,650.88x = 1,488,374.98 × 445,442.94
  4. Step 4: Simplify right side
    992,650.88x = 662,986,126,913.64
  5. Step 5: Solve for x
    x = 662,986,126,913.64/992,650.88
  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.