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Finding the Fourth Proportional to 703,285.02, 970,530.12 and 380,994.12

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Solution

The fourth proportional to 703,285.02, 970,530.12 and 380,994.12 is: 525,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,285.02 : 970,530.12 = 380,994.12 : x
  2. Step 2: Convert to fraction form
    703,285.02/970,530.12 = 380,994.12/x
  3. Step 3: Cross multiply
    703,285.02x = 970,530.12 × 380,994.12
  4. Step 4: Simplify right side
    703,285.02x = 369,766,269,002.89
  5. Step 5: Solve for x
    x = 369,766,269,002.89/703,285.02
  6. Step 6: Final answer
    x = 525,770.15

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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.