Home / 448,279.03-618,625.29-254,687.07

Finding the Fourth Proportional to 448,279.03, 618,625.29 and 254,687.07

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Solution

The fourth proportional to 448,279.03, 618,625.29 and 254,687.07 is: 351,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,279.03 : 618,625.29 = 254,687.07 : x
  2. Step 2: Convert to fraction form
    448,279.03/618,625.29 = 254,687.07/x
  3. Step 3: Cross multiply
    448,279.03x = 618,625.29 × 254,687.07
  4. Step 4: Simplify right side
    448,279.03x = 157,555,862,538.00
  5. Step 5: Solve for x
    x = 157,555,862,538.00/448,279.03
  6. Step 6: Final answer
    x = 351,468.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.