Home / 730,965.71-1,008,464.97-440,641.46

Finding the Fourth Proportional to 730,965.71, 1,008,464.97 and 440,641.46

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Solution

The fourth proportional to 730,965.71, 1,008,464.97 and 440,641.46 is: 607,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,965.71 : 1,008,464.97 = 440,641.46 : x
  2. Step 2: Convert to fraction form
    730,965.71/1,008,464.97 = 440,641.46/x
  3. Step 3: Cross multiply
    730,965.71x = 1,008,464.97 × 440,641.46
  4. Step 4: Simplify right side
    730,965.71x = 444,371,471,697.33
  5. Step 5: Solve for x
    x = 444,371,471,697.33/730,965.71
  6. Step 6: Final answer
    x = 607,923.83

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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.