Home / 684,322.64-1,026,417.92-210,880.88

Finding the Fourth Proportional to 684,322.64, 1,026,417.92 and 210,880.88

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Solution

The fourth proportional to 684,322.64, 1,026,417.92 and 210,880.88 is: 316,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,322.64 : 1,026,417.92 = 210,880.88 : x
  2. Step 2: Convert to fraction form
    684,322.64/1,026,417.92 = 210,880.88/x
  3. Step 3: Cross multiply
    684,322.64x = 1,026,417.92 × 210,880.88
  4. Step 4: Simplify right side
    684,322.64x = 216,451,914,217.37
  5. Step 5: Solve for x
    x = 216,451,914,217.37/684,322.64
  6. Step 6: Final answer
    x = 316,300.97

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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.