Home / 870,917.04-1,306,375.67-271,929.50

Finding the Fourth Proportional to 870,917.04, 1,306,375.67 and 271,929.50

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Solution

The fourth proportional to 870,917.04, 1,306,375.67 and 271,929.50 is: 407,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,917.04 : 1,306,375.67 = 271,929.50 : x
  2. Step 2: Convert to fraction form
    870,917.04/1,306,375.67 = 271,929.50/x
  3. Step 3: Cross multiply
    870,917.04x = 1,306,375.67 × 271,929.50
  4. Step 4: Simplify right side
    870,917.04x = 355,242,081,395.62
  5. Step 5: Solve for x
    x = 355,242,081,395.62/870,917.04
  6. Step 6: Final answer
    x = 407,894.28

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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.