Home / 808,247.20-1,210,796.16-491,919.52

Finding the Fourth Proportional to 808,247.20, 1,210,796.16 and 491,919.52

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Solution

The fourth proportional to 808,247.20, 1,210,796.16 and 491,919.52 is: 736,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,247.20 : 1,210,796.16 = 491,919.52 : x
  2. Step 2: Convert to fraction form
    808,247.20/1,210,796.16 = 491,919.52/x
  3. Step 3: Cross multiply
    808,247.20x = 1,210,796.16 × 491,919.52
  4. Step 4: Simplify right side
    808,247.20x = 595,614,265,845.04
  5. Step 5: Solve for x
    x = 595,614,265,845.04/808,247.20
  6. Step 6: Final answer
    x = 736,920.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.