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Finding the Fourth Proportional to 701,765.24, 968,441.80 and 387,447.16

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Solution

The fourth proportional to 701,765.24, 968,441.80 and 387,447.16 is: 534,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,765.24 : 968,441.80 = 387,447.16 : x
  2. Step 2: Convert to fraction form
    701,765.24/968,441.80 = 387,447.16/x
  3. Step 3: Cross multiply
    701,765.24x = 968,441.80 × 387,447.16
  4. Step 4: Simplify right side
    701,765.24x = 375,220,025,035.29
  5. Step 5: Solve for x
    x = 375,220,025,035.29/701,765.24
  6. Step 6: Final answer
    x = 534,680.27

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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.