Home / 739,626.54-1,109,011.92-289,820.79

Finding the Fourth Proportional to 739,626.54, 1,109,011.92 and 289,820.79

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Solution

The fourth proportional to 739,626.54, 1,109,011.92 and 289,820.79 is: 434,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,626.54 : 1,109,011.92 = 289,820.79 : x
  2. Step 2: Convert to fraction form
    739,626.54/1,109,011.92 = 289,820.79/x
  3. Step 3: Cross multiply
    739,626.54x = 1,109,011.92 × 289,820.79
  4. Step 4: Simplify right side
    739,626.54x = 321,414,710,773.82
  5. Step 5: Solve for x
    x = 321,414,710,773.82/739,626.54
  6. Step 6: Final answer
    x = 434,563.52

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1.5x scale

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.