Home / 958,845.60-1,438,268.40-538,066.80

Finding the Fourth Proportional to 958,845.60, 1,438,268.40 and 538,066.80

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Solution

The fourth proportional to 958,845.60, 1,438,268.40 and 538,066.80 is: 807,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,845.60 : 1,438,268.40 = 538,066.80 : x
  2. Step 2: Convert to fraction form
    958,845.60/1,438,268.40 = 538,066.80/x
  3. Step 3: Cross multiply
    958,845.60x = 1,438,268.40 × 538,066.80
  4. Step 4: Simplify right side
    958,845.60x = 773,884,475,529.12
  5. Step 5: Solve for x
    x = 773,884,475,529.12/958,845.60
  6. Step 6: Final answer
    x = 807,100.20

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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.