Home / 938,659.23-1,407,918.07-298,937.13

Finding the Fourth Proportional to 938,659.23, 1,407,918.07 and 298,937.13

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Solution

The fourth proportional to 938,659.23, 1,407,918.07 and 298,937.13 is: 448,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,659.23 : 1,407,918.07 = 298,937.13 : x
  2. Step 2: Convert to fraction form
    938,659.23/1,407,918.07 = 298,937.13/x
  3. Step 3: Cross multiply
    938,659.23x = 1,407,918.07 × 298,937.13
  4. Step 4: Simplify right side
    938,659.23x = 420,878,986,373.60
  5. Step 5: Solve for x
    x = 420,878,986,373.60/938,659.23
  6. Step 6: Final answer
    x = 448,383.15

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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.