Home / 808,742.52-1,213,292.39-240,169.91

Finding the Fourth Proportional to 808,742.52, 1,213,292.39 and 240,169.91

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Solution

The fourth proportional to 808,742.52, 1,213,292.39 and 240,169.91 is: 360,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,742.52 : 1,213,292.39 = 240,169.91 : x
  2. Step 2: Convert to fraction form
    808,742.52/1,213,292.39 = 240,169.91/x
  3. Step 3: Cross multiply
    808,742.52x = 1,213,292.39 × 240,169.91
  4. Step 4: Simplify right side
    808,742.52x = 291,396,316,842.67
  5. Step 5: Solve for x
    x = 291,396,316,842.67/808,742.52
  6. Step 6: Final answer
    x = 360,307.90

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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.