Home / 500,270.95-690,370.74-270,826.56

Finding the Fourth Proportional to 500,270.95, 690,370.74 and 270,826.56

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Solution

The fourth proportional to 500,270.95, 690,370.74 and 270,826.56 is: 373,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,270.95 : 690,370.74 = 270,826.56 : x
  2. Step 2: Convert to fraction form
    500,270.95/690,370.74 = 270,826.56/x
  3. Step 3: Cross multiply
    500,270.95x = 690,370.74 × 270,826.56
  4. Step 4: Simplify right side
    500,270.95x = 186,970,732,114.42
  5. Step 5: Solve for x
    x = 186,970,732,114.42/500,270.95
  6. Step 6: Final answer
    x = 373,738.94

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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.