Home / 684,116.70-1,026,287.37-210,802.14

Finding the Fourth Proportional to 684,116.70, 1,026,287.37 and 210,802.14

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Solution

The fourth proportional to 684,116.70, 1,026,287.37 and 210,802.14 is: 316,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,116.70 : 1,026,287.37 = 210,802.14 : x
  2. Step 2: Convert to fraction form
    684,116.70/1,026,287.37 = 210,802.14/x
  3. Step 3: Cross multiply
    684,116.70x = 1,026,287.37 × 210,802.14
  4. Step 4: Simplify right side
    684,116.70x = 216,343,573,850.97
  5. Step 5: Solve for x
    x = 216,343,573,850.97/684,116.70
  6. Step 6: Final answer
    x = 316,237.82

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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.