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Finding the Fourth Proportional to 702,426.26, 969,349.96 and 380,138.70

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Solution

The fourth proportional to 702,426.26, 969,349.96 and 380,138.70 is: 524,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,426.26 : 969,349.96 = 380,138.70 : x
  2. Step 2: Convert to fraction form
    702,426.26/969,349.96 = 380,138.70/x
  3. Step 3: Cross multiply
    702,426.26x = 969,349.96 × 380,138.70
  4. Step 4: Simplify right side
    702,426.26x = 368,487,433,639.45
  5. Step 5: Solve for x
    x = 368,487,433,639.45/702,426.26
  6. Step 6: Final answer
    x = 524,592.34

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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.