Home / 783,407.70-1,175,111.55-222,369.30

Finding the Fourth Proportional to 783,407.70, 1,175,111.55 and 222,369.30

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Solution

The fourth proportional to 783,407.70, 1,175,111.55 and 222,369.30 is: 333,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,407.70 : 1,175,111.55 = 222,369.30 : x
  2. Step 2: Convert to fraction form
    783,407.70/1,175,111.55 = 222,369.30/x
  3. Step 3: Cross multiply
    783,407.70x = 1,175,111.55 × 222,369.30
  4. Step 4: Simplify right side
    783,407.70x = 261,308,732,795.42
  5. Step 5: Solve for x
    x = 261,308,732,795.42/783,407.70
  6. Step 6: Final answer
    x = 333,553.95

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Double scale
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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.