Home / 858,268.81-1,287,627.56-498,093.43

Finding the Fourth Proportional to 858,268.81, 1,287,627.56 and 498,093.43

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Solution

The fourth proportional to 858,268.81, 1,287,627.56 and 498,093.43 is: 747,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,268.81 : 1,287,627.56 = 498,093.43 : x
  2. Step 2: Convert to fraction form
    858,268.81/1,287,627.56 = 498,093.43/x
  3. Step 3: Cross multiply
    858,268.81x = 1,287,627.56 × 498,093.43
  4. Step 4: Simplify right side
    858,268.81x = 641,358,827,922.93
  5. Step 5: Solve for x
    x = 641,358,827,922.93/858,268.81
  6. Step 6: Final answer
    x = 747,270.34

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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.