Home / 421,774.58-582,048.92-230,787.97

Finding the Fourth Proportional to 421,774.58, 582,048.92 and 230,787.97

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Solution

The fourth proportional to 421,774.58, 582,048.92 and 230,787.97 is: 318,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,774.58 : 582,048.92 = 230,787.97 : x
  2. Step 2: Convert to fraction form
    421,774.58/582,048.92 = 230,787.97/x
  3. Step 3: Cross multiply
    421,774.58x = 582,048.92 × 230,787.97
  4. Step 4: Simplify right side
    421,774.58x = 134,329,888,687.49
  5. Step 5: Solve for x
    x = 134,329,888,687.49/421,774.58
  6. Step 6: Final answer
    x = 318,487.40

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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.