Home / 749,573.73-1,124,361.05-188,608.23

Finding the Fourth Proportional to 749,573.73, 1,124,361.05 and 188,608.23

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Solution

The fourth proportional to 749,573.73, 1,124,361.05 and 188,608.23 is: 282,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,573.73 : 1,124,361.05 = 188,608.23 : x
  2. Step 2: Convert to fraction form
    749,573.73/1,124,361.05 = 188,608.23/x
  3. Step 3: Cross multiply
    749,573.73x = 1,124,361.05 × 188,608.23
  4. Step 4: Simplify right side
    749,573.73x = 212,063,746,578.40
  5. Step 5: Solve for x
    x = 212,063,746,578.40/749,573.73
  6. Step 6: Final answer
    x = 282,912.46

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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.