Home / 979,721.19-1,351,922.81-549,917.37

Finding the Fourth Proportional to 979,721.19, 1,351,922.81 and 549,917.37

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Solution

The fourth proportional to 979,721.19, 1,351,922.81 and 549,917.37 is: 758,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,721.19 : 1,351,922.81 = 549,917.37 : x
  2. Step 2: Convert to fraction form
    979,721.19/1,351,922.81 = 549,917.37/x
  3. Step 3: Cross multiply
    979,721.19x = 1,351,922.81 × 549,917.37
  4. Step 4: Simplify right side
    979,721.19x = 743,445,833,368.62
  5. Step 5: Solve for x
    x = 743,445,833,368.62/979,721.19
  6. Step 6: Final answer
    x = 758,834.09

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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.