Home / 902,353.25-1,245,128.87-539,644.61

Finding the Fourth Proportional to 902,353.25, 1,245,128.87 and 539,644.61

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Solution

The fourth proportional to 902,353.25, 1,245,128.87 and 539,644.61 is: 744,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,353.25 : 1,245,128.87 = 539,644.61 : x
  2. Step 2: Convert to fraction form
    902,353.25/1,245,128.87 = 539,644.61/x
  3. Step 3: Cross multiply
    902,353.25x = 1,245,128.87 × 539,644.61
  4. Step 4: Simplify right side
    902,353.25x = 671,927,080,752.67
  5. Step 5: Solve for x
    x = 671,927,080,752.67/902,353.25
  6. Step 6: Final answer
    x = 744,638.62

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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.