Home / 815,966.72-1,224,092.16-254,858.24

Finding the Fourth Proportional to 815,966.72, 1,224,092.16 and 254,858.24

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Solution

The fourth proportional to 815,966.72, 1,224,092.16 and 254,858.24 is: 382,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,966.72 : 1,224,092.16 = 254,858.24 : x
  2. Step 2: Convert to fraction form
    815,966.72/1,224,092.16 = 254,858.24/x
  3. Step 3: Cross multiply
    815,966.72x = 1,224,092.16 × 254,858.24
  4. Step 4: Simplify right side
    815,966.72x = 311,969,973,495.40
  5. Step 5: Solve for x
    x = 311,969,973,495.40/815,966.72
  6. Step 6: Final answer
    x = 382,331.74

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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.