Home / 869,552.76-1,199,755.56-501,939.90

Finding the Fourth Proportional to 869,552.76, 1,199,755.56 and 501,939.90

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Solution

The fourth proportional to 869,552.76, 1,199,755.56 and 501,939.90 is: 692,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,552.76 : 1,199,755.56 = 501,939.90 : x
  2. Step 2: Convert to fraction form
    869,552.76/1,199,755.56 = 501,939.90/x
  3. Step 3: Cross multiply
    869,552.76x = 1,199,755.56 × 501,939.90
  4. Step 4: Simplify right side
    869,552.76x = 602,205,185,810.84
  5. Step 5: Solve for x
    x = 602,205,185,810.84/869,552.76
  6. Step 6: Final answer
    x = 692,545.89

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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.