Home / 734,544.82-1,013,770.76-412,272.55

Finding the Fourth Proportional to 734,544.82, 1,013,770.76 and 412,272.55

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Solution

The fourth proportional to 734,544.82, 1,013,770.76 and 412,272.55 is: 568,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,544.82 : 1,013,770.76 = 412,272.55 : x
  2. Step 2: Convert to fraction form
    734,544.82/1,013,770.76 = 412,272.55/x
  3. Step 3: Cross multiply
    734,544.82x = 1,013,770.76 × 412,272.55
  4. Step 4: Simplify right side
    734,544.82x = 417,949,849,210.42
  5. Step 5: Solve for x
    x = 417,949,849,210.42/734,544.82
  6. Step 6: Final answer
    x = 568,991.63

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.