Home / 807,505.54-1,211,445.78-275,031.16

Finding the Fourth Proportional to 807,505.54, 1,211,445.78 and 275,031.16

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Solution

The fourth proportional to 807,505.54, 1,211,445.78 and 275,031.16 is: 412,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,505.54 : 1,211,445.78 = 275,031.16 : x
  2. Step 2: Convert to fraction form
    807,505.54/1,211,445.78 = 275,031.16/x
  3. Step 3: Cross multiply
    807,505.54x = 1,211,445.78 × 275,031.16
  4. Step 4: Simplify right side
    807,505.54x = 333,185,338,150.51
  5. Step 5: Solve for x
    x = 333,185,338,150.51/807,505.54
  6. Step 6: Final answer
    x = 412,610.59

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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.