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Finding the Fourth Proportional to 632,293.02, 872,546.58 and 345,807

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Solution

The fourth proportional to 632,293.02, 872,546.58 and 345,807 is: 477,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,293.02 : 872,546.58 = 345,807 : x
  2. Step 2: Convert to fraction form
    632,293.02/872,546.58 = 345,807/x
  3. Step 3: Cross multiply
    632,293.02x = 872,546.58 × 345,807
  4. Step 4: Simplify right side
    632,293.02x = 301,732,715,190.06
  5. Step 5: Solve for x
    x = 301,732,715,190.06/632,293.02
  6. Step 6: Final answer
    x = 477,203.93

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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.