Home / 628,480.35-867,736.80-588,327.03

Finding the Fourth Proportional to 628,480.35, 867,736.80 and 588,327.03

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Solution

The fourth proportional to 628,480.35, 867,736.80 and 588,327.03 is: 812,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,480.35 : 867,736.80 = 588,327.03 : x
  2. Step 2: Convert to fraction form
    628,480.35/867,736.80 = 588,327.03/x
  3. Step 3: Cross multiply
    628,480.35x = 867,736.80 × 588,327.03
  4. Step 4: Simplify right side
    628,480.35x = 510,513,014,365.70
  5. Step 5: Solve for x
    x = 510,513,014,365.70/628,480.35
  6. Step 6: Final answer
    x = 812,297.50

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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.