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Finding the Fourth Proportional to 578,099, 797,776.62 and 323,499.40

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Solution

The fourth proportional to 578,099, 797,776.62 and 323,499.40 is: 446,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,099 : 797,776.62 = 323,499.40 : x
  2. Step 2: Convert to fraction form
    578,099/797,776.62 = 323,499.40/x
  3. Step 3: Cross multiply
    578,099x = 797,776.62 × 323,499.40
  4. Step 4: Simplify right side
    578,099x = 258,080,257,904.03
  5. Step 5: Solve for x
    x = 258,080,257,904.03/578,099
  6. Step 6: Final answer
    x = 446,429.17

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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.