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Finding the Fourth Proportional to 702,700.63, 969,727.17 and 380,410.71

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Solution

The fourth proportional to 702,700.63, 969,727.17 and 380,410.71 is: 524,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,700.63 : 969,727.17 = 380,410.71 : x
  2. Step 2: Convert to fraction form
    702,700.63/969,727.17 = 380,410.71/x
  3. Step 3: Cross multiply
    702,700.63x = 969,727.17 × 380,410.71
  4. Step 4: Simplify right side
    702,700.63x = 368,894,601,245.99
  5. Step 5: Solve for x
    x = 368,894,601,245.99/702,700.63
  6. Step 6: Final answer
    x = 524,966.94

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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.