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Finding the Fourth Proportional to 510,395.24, 765,592.89 and 210,883.53

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Solution

The fourth proportional to 510,395.24, 765,592.89 and 210,883.53 is: 316,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,395.24 : 765,592.89 = 210,883.53 : x
  2. Step 2: Convert to fraction form
    510,395.24/765,592.89 = 210,883.53/x
  3. Step 3: Cross multiply
    510,395.24x = 765,592.89 × 210,883.53
  4. Step 4: Simplify right side
    510,395.24x = 161,450,933,266.26
  5. Step 5: Solve for x
    x = 161,450,933,266.26/510,395.24
  6. Step 6: Final answer
    x = 316,325.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.