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Finding the Fourth Proportional to 703,227.83, 970,459.07 and 380,937.92

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Solution

The fourth proportional to 703,227.83, 970,459.07 and 380,937.92 is: 525,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,227.83 : 970,459.07 = 380,937.92 : x
  2. Step 2: Convert to fraction form
    703,227.83/970,459.07 = 380,937.92/x
  3. Step 3: Cross multiply
    703,227.83x = 970,459.07 × 380,937.92
  4. Step 4: Simplify right side
    703,227.83x = 369,684,652,813.95
  5. Step 5: Solve for x
    x = 369,684,652,813.95/703,227.83
  6. Step 6: Final answer
    x = 525,696.85

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1.5x scale

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.