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Finding the Fourth Proportional to 603,873.07, 833,346.56 and 345,753.98

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Solution

The fourth proportional to 603,873.07, 833,346.56 and 345,753.98 is: 477,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,873.07 : 833,346.56 = 345,753.98 : x
  2. Step 2: Convert to fraction form
    603,873.07/833,346.56 = 345,753.98/x
  3. Step 3: Cross multiply
    603,873.07x = 833,346.56 × 345,753.98
  4. Step 4: Simplify right side
    603,873.07x = 288,132,887,318.22
  5. Step 5: Solve for x
    x = 288,132,887,318.22/603,873.07
  6. Step 6: Final answer
    x = 477,141.47

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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.