Home / 740,863.94-1,022,395.37-401,332.19

Finding the Fourth Proportional to 740,863.94, 1,022,395.37 and 401,332.19

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Solution

The fourth proportional to 740,863.94, 1,022,395.37 and 401,332.19 is: 553,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,863.94 : 1,022,395.37 = 401,332.19 : x
  2. Step 2: Convert to fraction form
    740,863.94/1,022,395.37 = 401,332.19/x
  3. Step 3: Cross multiply
    740,863.94x = 1,022,395.37 × 401,332.19
  4. Step 4: Simplify right side
    740,863.94x = 410,320,165,769.32
  5. Step 5: Solve for x
    x = 410,320,165,769.32/740,863.94
  6. Step 6: Final answer
    x = 553,840.11

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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.