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Finding the Fourth Proportional to 503,390.09, 754,707.98 and 303,663.92

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Solution

The fourth proportional to 503,390.09, 754,707.98 and 303,663.92 is: 455,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,390.09 : 754,707.98 = 303,663.92 : x
  2. Step 2: Convert to fraction form
    503,390.09/754,707.98 = 303,663.92/x
  3. Step 3: Cross multiply
    503,390.09x = 754,707.98 × 303,663.92
  4. Step 4: Simplify right side
    503,390.09x = 229,177,578,370.22
  5. Step 5: Solve for x
    x = 229,177,578,370.22/503,390.09
  6. Step 6: Final answer
    x = 455,268.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.