Home / 827,163.40-1,240,745.10-472,213.30

Finding the Fourth Proportional to 827,163.40, 1,240,745.10 and 472,213.30

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Solution

The fourth proportional to 827,163.40, 1,240,745.10 and 472,213.30 is: 708,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,163.40 : 1,240,745.10 = 472,213.30 : x
  2. Step 2: Convert to fraction form
    827,163.40/1,240,745.10 = 472,213.30/x
  3. Step 3: Cross multiply
    827,163.40x = 1,240,745.10 × 472,213.30
  4. Step 4: Simplify right side
    827,163.40x = 585,896,338,129.83
  5. Step 5: Solve for x
    x = 585,896,338,129.83/827,163.40
  6. Step 6: Final answer
    x = 708,319.95

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Double scale
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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.