Home / 740,856.75-1,109,865.15-440,427.75

Finding the Fourth Proportional to 740,856.75, 1,109,865.15 and 440,427.75

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Solution

The fourth proportional to 740,856.75, 1,109,865.15 and 440,427.75 is: 659,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,856.75 : 1,109,865.15 = 440,427.75 : x
  2. Step 2: Convert to fraction form
    740,856.75/1,109,865.15 = 440,427.75/x
  3. Step 3: Cross multiply
    740,856.75x = 1,109,865.15 × 440,427.75
  4. Step 4: Simplify right side
    740,856.75x = 488,815,410,817.91
  5. Step 5: Solve for x
    x = 488,815,410,817.91/740,856.75
  6. Step 6: Final answer
    x = 659,797.47

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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.