Home / 744,891.04-1,027,945.74-405,361.72

Finding the Fourth Proportional to 744,891.04, 1,027,945.74 and 405,361.72

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Solution

The fourth proportional to 744,891.04, 1,027,945.74 and 405,361.72 is: 559,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,891.04 : 1,027,945.74 = 405,361.72 : x
  2. Step 2: Convert to fraction form
    744,891.04/1,027,945.74 = 405,361.72/x
  3. Step 3: Cross multiply
    744,891.04x = 1,027,945.74 × 405,361.72
  4. Step 4: Simplify right side
    744,891.04x = 416,689,853,233.07
  5. Step 5: Solve for x
    x = 416,689,853,233.07/744,891.04
  6. Step 6: Final answer
    x = 559,397.05

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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.