Home / 684,964.64-1,027,009.56-329,270.96

Finding the Fourth Proportional to 684,964.64, 1,027,009.56 and 329,270.96

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Solution

The fourth proportional to 684,964.64, 1,027,009.56 and 329,270.96 is: 493,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,964.64 : 1,027,009.56 = 329,270.96 : x
  2. Step 2: Convert to fraction form
    684,964.64/1,027,009.56 = 329,270.96/x
  3. Step 3: Cross multiply
    684,964.64x = 1,027,009.56 × 329,270.96
  4. Step 4: Simplify right side
    684,964.64x = 338,164,423,750.38
  5. Step 5: Solve for x
    x = 338,164,423,750.38/684,964.64
  6. Step 6: Final answer
    x = 493,696.18

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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.