Home / 684,010.73-1,026,126.36-210,695.64

Finding the Fourth Proportional to 684,010.73, 1,026,126.36 and 210,695.64

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Solution

The fourth proportional to 684,010.73, 1,026,126.36 and 210,695.64 is: 316,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,010.73 : 1,026,126.36 = 210,695.64 : x
  2. Step 2: Convert to fraction form
    684,010.73/1,026,126.36 = 210,695.64/x
  3. Step 3: Cross multiply
    684,010.73x = 1,026,126.36 × 210,695.64
  4. Step 4: Simplify right side
    684,010.73x = 216,200,350,141.07
  5. Step 5: Solve for x
    x = 216,200,350,141.07/684,010.73
  6. Step 6: Final answer
    x = 316,077.43

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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.