Home / 979,879.79-1,352,188.41-544,325.39

Finding the Fourth Proportional to 979,879.79, 1,352,188.41 and 544,325.39

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Solution

The fourth proportional to 979,879.79, 1,352,188.41 and 544,325.39 is: 751,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,879.79 : 1,352,188.41 = 544,325.39 : x
  2. Step 2: Convert to fraction form
    979,879.79/1,352,188.41 = 544,325.39/x
  3. Step 3: Cross multiply
    979,879.79x = 1,352,188.41 × 544,325.39
  4. Step 4: Simplify right side
    979,879.79x = 736,030,483,626.73
  5. Step 5: Solve for x
    x = 736,030,483,626.73/979,879.79
  6. Step 6: Final answer
    x = 751,143.65

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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.