Home / 782,886.90-1,174,287.01-214,227.18

Finding the Fourth Proportional to 782,886.90, 1,174,287.01 and 214,227.18

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Solution

The fourth proportional to 782,886.90, 1,174,287.01 and 214,227.18 is: 321,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,886.90 : 1,174,287.01 = 214,227.18 : x
  2. Step 2: Convert to fraction form
    782,886.90/1,174,287.01 = 214,227.18/x
  3. Step 3: Cross multiply
    782,886.90x = 1,174,287.01 × 214,227.18
  4. Step 4: Simplify right side
    782,886.90x = 251,564,194,662.93
  5. Step 5: Solve for x
    x = 251,564,194,662.93/782,886.90
  6. Step 6: Final answer
    x = 321,328.91

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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.