Home / 434,180.85-598,870.42-305,392.47

Finding the Fourth Proportional to 434,180.85, 598,870.42 and 305,392.47

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Solution

The fourth proportional to 434,180.85, 598,870.42 and 305,392.47 is: 421,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,180.85 : 598,870.42 = 305,392.47 : x
  2. Step 2: Convert to fraction form
    434,180.85/598,870.42 = 305,392.47/x
  3. Step 3: Cross multiply
    434,180.85x = 598,870.42 × 305,392.47
  4. Step 4: Simplify right side
    434,180.85x = 182,890,516,773.74
  5. Step 5: Solve for x
    x = 182,890,516,773.74/434,180.85
  6. Step 6: Final answer
    x = 421,231.19

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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.