Home / 814,145.52-1,221,203.70-334,269.12

Finding the Fourth Proportional to 814,145.52, 1,221,203.70 and 334,269.12

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Solution

The fourth proportional to 814,145.52, 1,221,203.70 and 334,269.12 is: 501,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,145.52 : 1,221,203.70 = 334,269.12 : x
  2. Step 2: Convert to fraction form
    814,145.52/1,221,203.70 = 334,269.12/x
  3. Step 3: Cross multiply
    814,145.52x = 1,221,203.70 × 334,269.12
  4. Step 4: Simplify right side
    814,145.52x = 408,210,686,139.74
  5. Step 5: Solve for x
    x = 408,210,686,139.74/814,145.52
  6. Step 6: Final answer
    x = 501,397.69

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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.