Home / 696,889.71-1,045,362.91-331,963.72

Finding the Fourth Proportional to 696,889.71, 1,045,362.91 and 331,963.72

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Solution

The fourth proportional to 696,889.71, 1,045,362.91 and 331,963.72 is: 497,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,889.71 : 1,045,362.91 = 331,963.72 : x
  2. Step 2: Convert to fraction form
    696,889.71/1,045,362.91 = 331,963.72/x
  3. Step 3: Cross multiply
    696,889.71x = 1,045,362.91 × 331,963.72
  4. Step 4: Simplify right side
    696,889.71x = 347,022,557,299.34
  5. Step 5: Solve for x
    x = 347,022,557,299.34/696,889.71
  6. Step 6: Final answer
    x = 497,959.08

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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.