Home / 680,363.81-938,867.07-374,469.23

Finding the Fourth Proportional to 680,363.81, 938,867.07 and 374,469.23

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Solution

The fourth proportional to 680,363.81, 938,867.07 and 374,469.23 is: 516,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,363.81 : 938,867.07 = 374,469.23 : x
  2. Step 2: Convert to fraction form
    680,363.81/938,867.07 = 374,469.23/x
  3. Step 3: Cross multiply
    680,363.81x = 938,867.07 × 374,469.23
  4. Step 4: Simplify right side
    680,363.81x = 351,576,832,526.68
  5. Step 5: Solve for x
    x = 351,576,832,526.68/680,363.81
  6. Step 6: Final answer
    x = 516,748.28

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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.