Home / 872,170.40-1,308,255.60-634,224.80

Finding the Fourth Proportional to 872,170.40, 1,308,255.60 and 634,224.80

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Solution

The fourth proportional to 872,170.40, 1,308,255.60 and 634,224.80 is: 951,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,170.40 : 1,308,255.60 = 634,224.80 : x
  2. Step 2: Convert to fraction form
    872,170.40/1,308,255.60 = 634,224.80/x
  3. Step 3: Cross multiply
    872,170.40x = 1,308,255.60 × 634,224.80
  4. Step 4: Simplify right side
    872,170.40x = 829,728,146,258.88
  5. Step 5: Solve for x
    x = 829,728,146,258.88/872,170.40
  6. Step 6: Final answer
    x = 951,337.20

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1.5x scale

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.