Home / 808,001.60-1,212,002.40-276,123.20

Finding the Fourth Proportional to 808,001.60, 1,212,002.40 and 276,123.20

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Solution

The fourth proportional to 808,001.60, 1,212,002.40 and 276,123.20 is: 414,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,001.60 : 1,212,002.40 = 276,123.20 : x
  2. Step 2: Convert to fraction form
    808,001.60/1,212,002.40 = 276,123.20/x
  3. Step 3: Cross multiply
    808,001.60x = 1,212,002.40 × 276,123.20
  4. Step 4: Simplify right side
    808,001.60x = 334,661,981,095.68
  5. Step 5: Solve for x
    x = 334,661,981,095.68/808,001.60
  6. Step 6: Final answer
    x = 414,184.80

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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.