Home / 902,076.81-1,244,865.92-539,500.66

Finding the Fourth Proportional to 902,076.81, 1,244,865.92 and 539,500.66

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Solution

The fourth proportional to 902,076.81, 1,244,865.92 and 539,500.66 is: 744,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,076.81 : 1,244,865.92 = 539,500.66 : x
  2. Step 2: Convert to fraction form
    902,076.81/1,244,865.92 = 539,500.66/x
  3. Step 3: Cross multiply
    902,076.81x = 1,244,865.92 × 539,500.66
  4. Step 4: Simplify right side
    902,076.81x = 671,605,983,688.09
  5. Step 5: Solve for x
    x = 671,605,983,688.09/902,076.81
  6. Step 6: Final answer
    x = 744,510.86

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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.