Home / 808,218.70-1,212,328.05-493,290.70

Finding the Fourth Proportional to 808,218.70, 1,212,328.05 and 493,290.70

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Solution

The fourth proportional to 808,218.70, 1,212,328.05 and 493,290.70 is: 739,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218.70 : 1,212,328.05 = 493,290.70 : x
  2. Step 2: Convert to fraction form
    808,218.70/1,212,328.05 = 493,290.70/x
  3. Step 3: Cross multiply
    808,218.70x = 1,212,328.05 × 493,290.70
  4. Step 4: Simplify right side
    808,218.70x = 598,030,152,414.14
  5. Step 5: Solve for x
    x = 598,030,152,414.14/808,218.70
  6. Step 6: Final answer
    x = 739,936.05

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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.