Home / 808,366.20-1,212,986.70-335,099.40

Finding the Fourth Proportional to 808,366.20, 1,212,986.70 and 335,099.40

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Solution

The fourth proportional to 808,366.20, 1,212,986.70 and 335,099.40 is: 502,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,366.20 : 1,212,986.70 = 335,099.40 : x
  2. Step 2: Convert to fraction form
    808,366.20/1,212,986.70 = 335,099.40/x
  3. Step 3: Cross multiply
    808,366.20x = 1,212,986.70 × 335,099.40
  4. Step 4: Simplify right side
    808,366.20x = 406,471,115,377.98
  5. Step 5: Solve for x
    x = 406,471,115,377.98/808,366.20
  6. Step 6: Final answer
    x = 502,830.42

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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.