Home / 500,316.33-690,436.76-270,873.62

Finding the Fourth Proportional to 500,316.33, 690,436.76 and 270,873.62

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Solution

The fourth proportional to 500,316.33, 690,436.76 and 270,873.62 is: 373,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,316.33 : 690,436.76 = 270,873.62 : x
  2. Step 2: Convert to fraction form
    500,316.33/690,436.76 = 270,873.62/x
  3. Step 3: Cross multiply
    500,316.33x = 690,436.76 × 270,873.62
  4. Step 4: Simplify right side
    500,316.33x = 187,021,104,562.27
  5. Step 5: Solve for x
    x = 187,021,104,562.27/500,316.33
  6. Step 6: Final answer
    x = 373,805.72

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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.