Home / 902,353.75-1,245,129.55-539,645.11

Finding the Fourth Proportional to 902,353.75, 1,245,129.55 and 539,645.11

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Solution

The fourth proportional to 902,353.75, 1,245,129.55 and 539,645.11 is: 744,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,353.75 : 1,245,129.55 = 539,645.11 : x
  2. Step 2: Convert to fraction form
    902,353.75/1,245,129.55 = 539,645.11/x
  3. Step 3: Cross multiply
    902,353.75x = 1,245,129.55 × 539,645.11
  4. Step 4: Simplify right side
    902,353.75x = 671,928,072,974.00
  5. Step 5: Solve for x
    x = 671,928,072,974.00/902,353.75
  6. Step 6: Final answer
    x = 744,639.31

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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.