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Finding the Fourth Proportional to 479,603.97, 719,406 and 243,014.31

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Solution

The fourth proportional to 479,603.97, 719,406 and 243,014.31 is: 364,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,603.97 : 719,406 = 243,014.31 : x
  2. Step 2: Convert to fraction form
    479,603.97/719,406 = 243,014.31/x
  3. Step 3: Cross multiply
    479,603.97x = 719,406 × 243,014.31
  4. Step 4: Simplify right side
    479,603.97x = 174,825,952,699.86
  5. Step 5: Solve for x
    x = 174,825,952,699.86/479,603.97
  6. Step 6: Final answer
    x = 364,521.49

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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.