Home / 500,010.09-690,015.75-270,567.38

Finding the Fourth Proportional to 500,010.09, 690,015.75 and 270,567.38

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Solution

The fourth proportional to 500,010.09, 690,015.75 and 270,567.38 is: 373,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,010.09 : 690,015.75 = 270,567.38 : x
  2. Step 2: Convert to fraction form
    500,010.09/690,015.75 = 270,567.38/x
  3. Step 3: Cross multiply
    500,010.09x = 690,015.75 × 270,567.38
  4. Step 4: Simplify right side
    500,010.09x = 186,695,752,887.80
  5. Step 5: Solve for x
    x = 186,695,752,887.80/500,010.09
  6. Step 6: Final answer
    x = 373,383.97

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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.