Home / 814,516.32-1,221,775.95-334,409.79

Finding the Fourth Proportional to 814,516.32, 1,221,775.95 and 334,409.79

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Solution

The fourth proportional to 814,516.32, 1,221,775.95 and 334,409.79 is: 501,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,516.32 : 1,221,775.95 = 334,409.79 : x
  2. Step 2: Convert to fraction form
    814,516.32/1,221,775.95 = 334,409.79/x
  3. Step 3: Cross multiply
    814,516.32x = 1,221,775.95 × 334,409.79
  4. Step 4: Simplify right side
    814,516.32x = 408,573,838,866.55
  5. Step 5: Solve for x
    x = 408,573,838,866.55/814,516.32
  6. Step 6: Final answer
    x = 501,615.29

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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.