Home / 902,351.43-1,245,208.41-539,561.34

Finding the Fourth Proportional to 902,351.43, 1,245,208.41 and 539,561.34

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Solution

The fourth proportional to 902,351.43, 1,245,208.41 and 539,561.34 is: 744,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,351.43 : 1,245,208.41 = 539,561.34 : x
  2. Step 2: Convert to fraction form
    902,351.43/1,245,208.41 = 539,561.34/x
  3. Step 3: Cross multiply
    902,351.43x = 1,245,208.41 × 539,561.34
  4. Step 4: Simplify right side
    902,351.43x = 671,866,318,278.87
  5. Step 5: Solve for x
    x = 671,866,318,278.87/902,351.43
  6. Step 6: Final answer
    x = 744,572.79

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Double scale
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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.