Home / 500,122.13-690,162.95-270,674.24

Finding the Fourth Proportional to 500,122.13, 690,162.95 and 270,674.24

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Solution

The fourth proportional to 500,122.13, 690,162.95 and 270,674.24 is: 373,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,122.13 : 690,162.95 = 270,674.24 : x
  2. Step 2: Convert to fraction form
    500,122.13/690,162.95 = 270,674.24/x
  3. Step 3: Cross multiply
    500,122.13x = 690,162.95 × 270,674.24
  4. Step 4: Simplify right side
    500,122.13x = 186,809,329,193.28
  5. Step 5: Solve for x
    x = 186,809,329,193.28/500,122.13
  6. Step 6: Final answer
    x = 373,527.42

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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.