Home / 989,291.25-1,365,222.11-559,562.13

Finding the Fourth Proportional to 989,291.25, 1,365,222.11 and 559,562.13

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Solution

The fourth proportional to 989,291.25, 1,365,222.11 and 559,562.13 is: 772,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,291.25 : 1,365,222.11 = 559,562.13 : x
  2. Step 2: Convert to fraction form
    989,291.25/1,365,222.11 = 559,562.13/x
  3. Step 3: Cross multiply
    989,291.25x = 1,365,222.11 × 559,562.13
  4. Step 4: Simplify right side
    989,291.25x = 763,926,588,996.88
  5. Step 5: Solve for x
    x = 763,926,588,996.88/989,291.25
  6. Step 6: Final answer
    x = 772,195.84

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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.