Home / 859,820.04-1,289,733.17-260,786.39

Finding the Fourth Proportional to 859,820.04, 1,289,733.17 and 260,786.39

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Solution

The fourth proportional to 859,820.04, 1,289,733.17 and 260,786.39 is: 391,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,820.04 : 1,289,733.17 = 260,786.39 : x
  2. Step 2: Convert to fraction form
    859,820.04/1,289,733.17 = 260,786.39/x
  3. Step 3: Cross multiply
    859,820.04x = 1,289,733.17 × 260,786.39
  4. Step 4: Simplify right side
    859,820.04x = 336,344,849,714.96
  5. Step 5: Solve for x
    x = 336,344,849,714.96/859,820.04
  6. Step 6: Final answer
    x = 391,180.52

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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.