Home / 979,789.40-1,352,187.44-550,097.72

Finding the Fourth Proportional to 979,789.40, 1,352,187.44 and 550,097.72

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Solution

The fourth proportional to 979,789.40, 1,352,187.44 and 550,097.72 is: 759,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,789.40 : 1,352,187.44 = 550,097.72 : x
  2. Step 2: Convert to fraction form
    979,789.40/1,352,187.44 = 550,097.72/x
  3. Step 3: Cross multiply
    979,789.40x = 1,352,187.44 × 550,097.72
  4. Step 4: Simplify right side
    979,789.40x = 743,835,227,756.64
  5. Step 5: Solve for x
    x = 743,835,227,756.64/979,789.40
  6. Step 6: Final answer
    x = 759,178.68

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Double scale
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1.5x scale

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.