Home / 744,881.52-1,028,047.23-438,860.10

Finding the Fourth Proportional to 744,881.52, 1,028,047.23 and 438,860.10

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Solution

The fourth proportional to 744,881.52, 1,028,047.23 and 438,860.10 is: 605,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,881.52 : 1,028,047.23 = 438,860.10 : x
  2. Step 2: Convert to fraction form
    744,881.52/1,028,047.23 = 438,860.10/x
  3. Step 3: Cross multiply
    744,881.52x = 1,028,047.23 × 438,860.10
  4. Step 4: Simplify right side
    744,881.52x = 451,168,910,162.52
  5. Step 5: Solve for x
    x = 451,168,910,162.52/744,881.52
  6. Step 6: Final answer
    x = 605,692.18

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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.