Home / 740,977.71-1,022,550.24-401,445.96

Finding the Fourth Proportional to 740,977.71, 1,022,550.24 and 401,445.96

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Solution

The fourth proportional to 740,977.71, 1,022,550.24 and 401,445.96 is: 553,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,977.71 : 1,022,550.24 = 401,445.96 : x
  2. Step 2: Convert to fraction form
    740,977.71/1,022,550.24 = 401,445.96/x
  3. Step 3: Cross multiply
    740,977.71x = 1,022,550.24 × 401,445.96
  4. Step 4: Simplify right side
    740,977.71x = 410,498,662,745.03
  5. Step 5: Solve for x
    x = 410,498,662,745.03/740,977.71
  6. Step 6: Final answer
    x = 553,995.97

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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.