Home / 500,211.56-690,292.35-270,768.15

Finding the Fourth Proportional to 500,211.56, 690,292.35 and 270,768.15

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Solution

The fourth proportional to 500,211.56, 690,292.35 and 270,768.15 is: 373,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,211.56 : 690,292.35 = 270,768.15 : x
  2. Step 2: Convert to fraction form
    500,211.56/690,292.35 = 270,768.15/x
  3. Step 3: Cross multiply
    500,211.56x = 690,292.35 × 270,768.15
  4. Step 4: Simplify right side
    500,211.56x = 186,909,182,568.65
  5. Step 5: Solve for x
    x = 186,909,182,568.65/500,211.56
  6. Step 6: Final answer
    x = 373,660.26

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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.