Home / 500,366.10-690,500.04-270,919.44

Finding the Fourth Proportional to 500,366.10, 690,500.04 and 270,919.44

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Solution

The fourth proportional to 500,366.10, 690,500.04 and 270,919.44 is: 373,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,366.10 : 690,500.04 = 270,919.44 : x
  2. Step 2: Convert to fraction form
    500,366.10/690,500.04 = 270,919.44/x
  3. Step 3: Cross multiply
    500,366.10x = 690,500.04 × 270,919.44
  4. Step 4: Simplify right side
    500,366.10x = 187,069,884,156.78
  5. Step 5: Solve for x
    x = 187,069,884,156.78/500,366.10
  6. Step 6: Final answer
    x = 373,866.02

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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.