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Finding the Fourth Proportional to 703,225.95, 970,456.46 and 380,936.04

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Solution

The fourth proportional to 703,225.95, 970,456.46 and 380,936.04 is: 525,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,225.95 : 970,456.46 = 380,936.04 : x
  2. Step 2: Convert to fraction form
    703,225.95/970,456.46 = 380,936.04/x
  3. Step 3: Cross multiply
    703,225.95x = 970,456.46 × 380,936.04
  4. Step 4: Simplify right side
    703,225.95x = 369,681,838,960.14
  5. Step 5: Solve for x
    x = 369,681,838,960.14/703,225.95
  6. Step 6: Final answer
    x = 525,694.25

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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.