Home / 495,456.85-743,039.47-140,501.89

Finding the Fourth Proportional to 495,456.85, 743,039.47 and 140,501.89

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Solution

The fourth proportional to 495,456.85, 743,039.47 and 140,501.89 is: 210,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,456.85 : 743,039.47 = 140,501.89 : x
  2. Step 2: Convert to fraction form
    495,456.85/743,039.47 = 140,501.89/x
  3. Step 3: Cross multiply
    495,456.85x = 743,039.47 × 140,501.89
  4. Step 4: Simplify right side
    495,456.85x = 104,398,449,879.60
  5. Step 5: Solve for x
    x = 104,398,449,879.60/495,456.85
  6. Step 6: Final answer
    x = 210,711.49

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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.