Home / 961,122.28-1,326,295.20-531,377.32

Finding the Fourth Proportional to 961,122.28, 1,326,295.20 and 531,377.32

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Solution

The fourth proportional to 961,122.28, 1,326,295.20 and 531,377.32 is: 733,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,122.28 : 1,326,295.20 = 531,377.32 : x
  2. Step 2: Convert to fraction form
    961,122.28/1,326,295.20 = 531,377.32/x
  3. Step 3: Cross multiply
    961,122.28x = 1,326,295.20 × 531,377.32
  4. Step 4: Simplify right side
    961,122.28x = 704,763,188,904.86
  5. Step 5: Solve for x
    x = 704,763,188,904.86/961,122.28
  6. Step 6: Final answer
    x = 733,271.10

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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.