Home / 684,012.23-1,026,128.61-210,697.14

Finding the Fourth Proportional to 684,012.23, 1,026,128.61 and 210,697.14

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Solution

The fourth proportional to 684,012.23, 1,026,128.61 and 210,697.14 is: 316,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,012.23 : 1,026,128.61 = 210,697.14 : x
  2. Step 2: Convert to fraction form
    684,012.23/1,026,128.61 = 210,697.14/x
  3. Step 3: Cross multiply
    684,012.23x = 1,026,128.61 × 210,697.14
  4. Step 4: Simplify right side
    684,012.23x = 216,202,363,399.18
  5. Step 5: Solve for x
    x = 216,202,363,399.18/684,012.23
  6. Step 6: Final answer
    x = 316,079.68

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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.