Home / 495,856.58-743,798.91-121,878.50

Finding the Fourth Proportional to 495,856.58, 743,798.91 and 121,878.50

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Solution

The fourth proportional to 495,856.58, 743,798.91 and 121,878.50 is: 182,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,856.58 : 743,798.91 = 121,878.50 : x
  2. Step 2: Convert to fraction form
    495,856.58/743,798.91 = 121,878.50/x
  3. Step 3: Cross multiply
    495,856.58x = 743,798.91 × 121,878.50
  4. Step 4: Simplify right side
    495,856.58x = 90,653,095,452.44
  5. Step 5: Solve for x
    x = 90,653,095,452.44/495,856.58
  6. Step 6: Final answer
    x = 182,821.20

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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.