Home / 840,031.22-1,260,044.44-208,945.04

Finding the Fourth Proportional to 840,031.22, 1,260,044.44 and 208,945.04

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Solution

The fourth proportional to 840,031.22, 1,260,044.44 and 208,945.04 is: 313,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,031.22 : 1,260,044.44 = 208,945.04 : x
  2. Step 2: Convert to fraction form
    840,031.22/1,260,044.44 = 208,945.04/x
  3. Step 3: Cross multiply
    840,031.22x = 1,260,044.44 × 208,945.04
  4. Step 4: Simplify right side
    840,031.22x = 263,280,029,094.99
  5. Step 5: Solve for x
    x = 263,280,029,094.99/840,031.22
  6. Step 6: Final answer
    x = 313,416.96

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Double scale
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Similar ratio
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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.