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Finding the Fourth Proportional to 702,682.58, 969,700.86 and 380,392.59

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Solution

The fourth proportional to 702,682.58, 969,700.86 and 380,392.59 is: 524,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,682.58 : 969,700.86 = 380,392.59 : x
  2. Step 2: Convert to fraction form
    702,682.58/969,700.86 = 380,392.59/x
  3. Step 3: Cross multiply
    702,682.58x = 969,700.86 × 380,392.59
  4. Step 4: Simplify right side
    702,682.58x = 368,867,021,660.63
  5. Step 5: Solve for x
    x = 368,867,021,660.63/702,682.58
  6. Step 6: Final answer
    x = 524,941.18

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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.