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Finding the Fourth Proportional to 710,191.85, 980,114.78 and 404,268.37

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Solution

The fourth proportional to 710,191.85, 980,114.78 and 404,268.37 is: 557,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,191.85 : 980,114.78 = 404,268.37 : x
  2. Step 2: Convert to fraction form
    710,191.85/980,114.78 = 404,268.37/x
  3. Step 3: Cross multiply
    710,191.85x = 980,114.78 × 404,268.37
  4. Step 4: Simplify right side
    710,191.85x = 396,229,403,083.89
  5. Step 5: Solve for x
    x = 396,229,403,083.89/710,191.85
  6. Step 6: Final answer
    x = 557,918.83

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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.