Home / 808,225.70-1,212,338.55-493,297.70

Finding the Fourth Proportional to 808,225.70, 1,212,338.55 and 493,297.70

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Solution

The fourth proportional to 808,225.70, 1,212,338.55 and 493,297.70 is: 739,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,225.70 : 1,212,338.55 = 493,297.70 : x
  2. Step 2: Convert to fraction form
    808,225.70/1,212,338.55 = 493,297.70/x
  3. Step 3: Cross multiply
    808,225.70x = 1,212,338.55 × 493,297.70
  4. Step 4: Simplify right side
    808,225.70x = 598,043,818,336.34
  5. Step 5: Solve for x
    x = 598,043,818,336.34/808,225.70
  6. Step 6: Final answer
    x = 739,946.55

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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.