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Finding the Fourth Proportional to 962,793.64, 1,328,696.74 and 533,073.76

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Solution

The fourth proportional to 962,793.64, 1,328,696.74 and 533,073.76 is: 735,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,793.64 : 1,328,696.74 = 533,073.76 : x
  2. Step 2: Convert to fraction form
    962,793.64/1,328,696.74 = 533,073.76/x
  3. Step 3: Cross multiply
    962,793.64x = 1,328,696.74 × 533,073.76
  4. Step 4: Simplify right side
    962,793.64x = 708,293,367,091.54
  5. Step 5: Solve for x
    x = 708,293,367,091.54/962,793.64
  6. Step 6: Final answer
    x = 735,664.78

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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.