Home / 495,375.15-742,828.48-191,911.44

Finding the Fourth Proportional to 495,375.15, 742,828.48 and 191,911.44

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Solution

The fourth proportional to 495,375.15, 742,828.48 and 191,911.44 is: 287,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,375.15 : 742,828.48 = 191,911.44 : x
  2. Step 2: Convert to fraction form
    495,375.15/742,828.48 = 191,911.44/x
  3. Step 3: Cross multiply
    495,375.15x = 742,828.48 × 191,911.44
  4. Step 4: Simplify right side
    495,375.15x = 142,557,279,847.78
  5. Step 5: Solve for x
    x = 142,557,279,847.78/495,375.15
  6. Step 6: Final answer
    x = 287,776.40

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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.