Home / 495,904.20-743,856.30-121,927.20

Finding the Fourth Proportional to 495,904.20, 743,856.30 and 121,927.20

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Solution

The fourth proportional to 495,904.20, 743,856.30 and 121,927.20 is: 182,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,904.20 : 743,856.30 = 121,927.20 : x
  2. Step 2: Convert to fraction form
    495,904.20/743,856.30 = 121,927.20/x
  3. Step 3: Cross multiply
    495,904.20x = 743,856.30 × 121,927.20
  4. Step 4: Simplify right side
    495,904.20x = 90,696,315,861.36
  5. Step 5: Solve for x
    x = 90,696,315,861.36/495,904.20
  6. Step 6: Final answer
    x = 182,890.80

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1.5x scale

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.