Home / 500,290.45-690,395.88-270,841.67

Finding the Fourth Proportional to 500,290.45, 690,395.88 and 270,841.67

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Solution

The fourth proportional to 500,290.45, 690,395.88 and 270,841.67 is: 373,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,290.45 : 690,395.88 = 270,841.67 : x
  2. Step 2: Convert to fraction form
    500,290.45/690,395.88 = 270,841.67/x
  3. Step 3: Cross multiply
    500,290.45x = 690,395.88 × 270,841.67
  4. Step 4: Simplify right side
    500,290.45x = 186,987,976,374.72
  5. Step 5: Solve for x
    x = 186,987,976,374.72/500,290.45
  6. Step 6: Final answer
    x = 373,758.84

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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.