Home / 431,460.19-647,524.46-347,426.13

Finding the Fourth Proportional to 431,460.19, 647,524.46 and 347,426.13

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Solution

The fourth proportional to 431,460.19, 647,524.46 and 347,426.13 is: 521,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,460.19 : 647,524.46 = 347,426.13 : x
  2. Step 2: Convert to fraction form
    431,460.19/647,524.46 = 347,426.13/x
  3. Step 3: Cross multiply
    431,460.19x = 647,524.46 × 347,426.13
  4. Step 4: Simplify right side
    431,460.19x = 224,966,912,243.39
  5. Step 5: Solve for x
    x = 224,966,912,243.39/431,460.19
  6. Step 6: Final answer
    x = 521,408.27

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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.