Home / 679,908.06-938,296.16-374,007.19

Finding the Fourth Proportional to 679,908.06, 938,296.16 and 374,007.19

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Solution

The fourth proportional to 679,908.06, 938,296.16 and 374,007.19 is: 516,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,908.06 : 938,296.16 = 374,007.19 : x
  2. Step 2: Convert to fraction form
    679,908.06/938,296.16 = 374,007.19/x
  3. Step 3: Cross multiply
    679,908.06x = 938,296.16 × 374,007.19
  4. Step 4: Simplify right side
    679,908.06x = 350,929,510,189.39
  5. Step 5: Solve for x
    x = 350,929,510,189.39/679,908.06
  6. Step 6: Final answer
    x = 516,142.59

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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.