Home / 494,694.72-742,071.51-191,091.18

Finding the Fourth Proportional to 494,694.72, 742,071.51 and 191,091.18

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Solution

The fourth proportional to 494,694.72, 742,071.51 and 191,091.18 is: 286,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,694.72 : 742,071.51 = 191,091.18 : x
  2. Step 2: Convert to fraction form
    494,694.72/742,071.51 = 191,091.18/x
  3. Step 3: Cross multiply
    494,694.72x = 742,071.51 × 191,091.18
  4. Step 4: Simplify right side
    494,694.72x = 141,803,320,490.28
  5. Step 5: Solve for x
    x = 141,803,320,490.28/494,694.72
  6. Step 6: Final answer
    x = 286,648.14

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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.