Home / 628,749.28-867,539.46-374,050.72

Finding the Fourth Proportional to 628,749.28, 867,539.46 and 374,050.72

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Solution

The fourth proportional to 628,749.28, 867,539.46 and 374,050.72 is: 516,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,749.28 : 867,539.46 = 374,050.72 : x
  2. Step 2: Convert to fraction form
    628,749.28/867,539.46 = 374,050.72/x
  3. Step 3: Cross multiply
    628,749.28x = 867,539.46 × 374,050.72
  4. Step 4: Simplify right side
    628,749.28x = 324,503,759,641.41
  5. Step 5: Solve for x
    x = 324,503,759,641.41/628,749.28
  6. Step 6: Final answer
    x = 516,109.95

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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.