Home / 495,707.32-743,559.45-140,721.58

Finding the Fourth Proportional to 495,707.32, 743,559.45 and 140,721.58

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Solution

The fourth proportional to 495,707.32, 743,559.45 and 140,721.58 is: 211,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,707.32 : 743,559.45 = 140,721.58 : x
  2. Step 2: Convert to fraction form
    495,707.32/743,559.45 = 140,721.58/x
  3. Step 3: Cross multiply
    495,707.32x = 743,559.45 × 140,721.58
  4. Step 4: Simplify right side
    495,707.32x = 104,634,860,627.93
  5. Step 5: Solve for x
    x = 104,634,860,627.93/495,707.32
  6. Step 6: Final answer
    x = 211,081.94

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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.