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Finding the Fourth Proportional to 701,758.73, 968,432.84 and 387,440.70

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Solution

The fourth proportional to 701,758.73, 968,432.84 and 387,440.70 is: 534,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,758.73 : 968,432.84 = 387,440.70 : x
  2. Step 2: Convert to fraction form
    701,758.73/968,432.84 = 387,440.70/x
  3. Step 3: Cross multiply
    701,758.73x = 968,432.84 × 387,440.70
  4. Step 4: Simplify right side
    701,758.73x = 375,210,297,674.42
  5. Step 5: Solve for x
    x = 375,210,297,674.42/701,758.73
  6. Step 6: Final answer
    x = 534,671.36

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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.