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Finding the Fourth Proportional to 702,412.78, 969,225.41 and 426,627.22

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Solution

The fourth proportional to 702,412.78, 969,225.41 and 426,627.22 is: 588,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,412.78 : 969,225.41 = 426,627.22 : x
  2. Step 2: Convert to fraction form
    702,412.78/969,225.41 = 426,627.22/x
  3. Step 3: Cross multiply
    702,412.78x = 969,225.41 × 426,627.22
  4. Step 4: Simplify right side
    702,412.78x = 413,497,942,221.66
  5. Step 5: Solve for x
    x = 413,497,942,221.66/702,412.78
  6. Step 6: Final answer
    x = 588,682.26

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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.