Home / 808,521.60-1,212,928.20-335,254.80

Finding the Fourth Proportional to 808,521.60, 1,212,928.20 and 335,254.80

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Solution

The fourth proportional to 808,521.60, 1,212,928.20 and 335,254.80 is: 502,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,521.60 : 1,212,928.20 = 335,254.80 : x
  2. Step 2: Convert to fraction form
    808,521.60/1,212,928.20 = 335,254.80/x
  3. Step 3: Cross multiply
    808,521.60x = 1,212,928.20 × 335,254.80
  4. Step 4: Simplify right side
    808,521.60x = 406,640,001,105.36
  5. Step 5: Solve for x
    x = 406,640,001,105.36/808,521.60
  6. Step 6: Final answer
    x = 502,942.66

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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.