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Finding the Fourth Proportional to 702,863.26, 969,951.90 and 380,573.53

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Solution

The fourth proportional to 702,863.26, 969,951.90 and 380,573.53 is: 525,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,863.26 : 969,951.90 = 380,573.53 : x
  2. Step 2: Convert to fraction form
    702,863.26/969,951.90 = 380,573.53/x
  3. Step 3: Cross multiply
    702,863.26x = 969,951.90 × 380,573.53
  4. Step 4: Simplify right side
    702,863.26x = 369,138,018,513.21
  5. Step 5: Solve for x
    x = 369,138,018,513.21/702,863.26
  6. Step 6: Final answer
    x = 525,191.80

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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.