Home / 734,571.30-1,013,708.40-412,281.42

Finding the Fourth Proportional to 734,571.30, 1,013,708.40 and 412,281.42

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Solution

The fourth proportional to 734,571.30, 1,013,708.40 and 412,281.42 is: 568,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,571.30 : 1,013,708.40 = 412,281.42 : x
  2. Step 2: Convert to fraction form
    734,571.30/1,013,708.40 = 412,281.42/x
  3. Step 3: Cross multiply
    734,571.30x = 1,013,708.40 × 412,281.42
  4. Step 4: Simplify right side
    734,571.30x = 417,933,138,617.93
  5. Step 5: Solve for x
    x = 417,933,138,617.93/734,571.30
  6. Step 6: Final answer
    x = 568,948.36

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Double scale
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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.