Home / 727,640.89-1,091,624.95-222,159.58

Finding the Fourth Proportional to 727,640.89, 1,091,624.95 and 222,159.58

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Solution

The fourth proportional to 727,640.89, 1,091,624.95 and 222,159.58 is: 333,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,640.89 : 1,091,624.95 = 222,159.58 : x
  2. Step 2: Convert to fraction form
    727,640.89/1,091,624.95 = 222,159.58/x
  3. Step 3: Cross multiply
    727,640.89x = 1,091,624.95 × 222,159.58
  4. Step 4: Simplify right side
    727,640.89x = 242,514,937,958.16
  5. Step 5: Solve for x
    x = 242,514,937,958.16/727,640.89
  6. Step 6: Final answer
    x = 333,289.32

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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.