Home / 684,666.30-1,027,096.65-211,302.30

Finding the Fourth Proportional to 684,666.30, 1,027,096.65 and 211,302.30

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Solution

The fourth proportional to 684,666.30, 1,027,096.65 and 211,302.30 is: 316,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,666.30 : 1,027,096.65 = 211,302.30 : x
  2. Step 2: Convert to fraction form
    684,666.30/1,027,096.65 = 211,302.30/x
  3. Step 3: Cross multiply
    684,666.30x = 1,027,096.65 × 211,302.30
  4. Step 4: Simplify right side
    684,666.30x = 217,027,884,467.30
  5. Step 5: Solve for x
    x = 217,027,884,467.30/684,666.30
  6. Step 6: Final answer
    x = 316,983.45

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Similar ratio
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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.