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Finding the Fourth Proportional to 702,400.12, 969,314.60 and 380,110.13

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Solution

The fourth proportional to 702,400.12, 969,314.60 and 380,110.13 is: 524,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,400.12 : 969,314.60 = 380,110.13 : x
  2. Step 2: Convert to fraction form
    702,400.12/969,314.60 = 380,110.13/x
  3. Step 3: Cross multiply
    702,400.12x = 969,314.60 × 380,110.13
  4. Step 4: Simplify right side
    702,400.12x = 368,446,298,616.90
  5. Step 5: Solve for x
    x = 368,446,298,616.90/702,400.12
  6. Step 6: Final answer
    x = 524,553.30

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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.