Home / 744,272.54-1,027,141.10-438,553.02

Finding the Fourth Proportional to 744,272.54, 1,027,141.10 and 438,553.02

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Solution

The fourth proportional to 744,272.54, 1,027,141.10 and 438,553.02 is: 605,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,272.54 : 1,027,141.10 = 438,553.02 : x
  2. Step 2: Convert to fraction form
    744,272.54/1,027,141.10 = 438,553.02/x
  3. Step 3: Cross multiply
    744,272.54x = 1,027,141.10 × 438,553.02
  4. Step 4: Simplify right side
    744,272.54x = 450,455,829,178.36
  5. Step 5: Solve for x
    x = 450,455,829,178.36/744,272.54
  6. Step 6: Final answer
    x = 605,229.68

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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.