Home / 727,459.62-1,003,925.34-405,169.80

Finding the Fourth Proportional to 727,459.62, 1,003,925.34 and 405,169.80

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Solution

The fourth proportional to 727,459.62, 1,003,925.34 and 405,169.80 is: 559,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,459.62 : 1,003,925.34 = 405,169.80 : x
  2. Step 2: Convert to fraction form
    727,459.62/1,003,925.34 = 405,169.80/x
  3. Step 3: Cross multiply
    727,459.62x = 1,003,925.34 × 405,169.80
  4. Step 4: Simplify right side
    727,459.62x = 406,760,229,222.73
  5. Step 5: Solve for x
    x = 406,760,229,222.73/727,459.62
  6. Step 6: Final answer
    x = 559,151.63

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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.