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Finding the Fourth Proportional to 703,240.18, 970,470.54 and 380,951.56

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Solution

The fourth proportional to 703,240.18, 970,470.54 and 380,951.56 is: 525,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,240.18 : 970,470.54 = 380,951.56 : x
  2. Step 2: Convert to fraction form
    703,240.18/970,470.54 = 380,951.56/x
  3. Step 3: Cross multiply
    703,240.18x = 970,470.54 × 380,951.56
  4. Step 4: Simplify right side
    703,240.18x = 369,702,262,972.66
  5. Step 5: Solve for x
    x = 369,702,262,972.66/703,240.18
  6. Step 6: Final answer
    x = 525,712.66

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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.