Home / 434,314.10-651,471.15-329,338.10

Finding the Fourth Proportional to 434,314.10, 651,471.15 and 329,338.10

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Solution

The fourth proportional to 434,314.10, 651,471.15 and 329,338.10 is: 494,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,314.10 : 651,471.15 = 329,338.10 : x
  2. Step 2: Convert to fraction form
    434,314.10/651,471.15 = 329,338.10/x
  3. Step 3: Cross multiply
    434,314.10x = 651,471.15 × 329,338.10
  4. Step 4: Simplify right side
    434,314.10x = 214,554,270,745.82
  5. Step 5: Solve for x
    x = 214,554,270,745.82/434,314.10
  6. Step 6: Final answer
    x = 494,007.15

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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.