Home / 960,980.40-1,326,180.60-531,288.18

Finding the Fourth Proportional to 960,980.40, 1,326,180.60 and 531,288.18

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Solution

The fourth proportional to 960,980.40, 1,326,180.60 and 531,288.18 is: 733,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,980.40 : 1,326,180.60 = 531,288.18 : x
  2. Step 2: Convert to fraction form
    960,980.40/1,326,180.60 = 531,288.18/x
  3. Step 3: Cross multiply
    960,980.40x = 1,326,180.60 × 531,288.18
  4. Step 4: Simplify right side
    960,980.40x = 704,584,077,325.31
  5. Step 5: Solve for x
    x = 704,584,077,325.31/960,980.40
  6. Step 6: Final answer
    x = 733,192.97

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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.