Home / 840,044.36-1,260,071.12-208,958.20

Finding the Fourth Proportional to 840,044.36, 1,260,071.12 and 208,958.20

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Solution

The fourth proportional to 840,044.36, 1,260,071.12 and 208,958.20 is: 313,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,044.36 : 1,260,071.12 = 208,958.20 : x
  2. Step 2: Convert to fraction form
    840,044.36/1,260,071.12 = 208,958.20/x
  3. Step 3: Cross multiply
    840,044.36x = 1,260,071.12 × 208,958.20
  4. Step 4: Simplify right side
    840,044.36x = 263,302,193,107.18
  5. Step 5: Solve for x
    x = 263,302,193,107.18/840,044.36
  6. Step 6: Final answer
    x = 313,438.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.