Home / 851,849.62-1,277,785.55-283,230.72

Finding the Fourth Proportional to 851,849.62, 1,277,785.55 and 283,230.72

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Solution

The fourth proportional to 851,849.62, 1,277,785.55 and 283,230.72 is: 424,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,849.62 : 1,277,785.55 = 283,230.72 : x
  2. Step 2: Convert to fraction form
    851,849.62/1,277,785.55 = 283,230.72/x
  3. Step 3: Cross multiply
    851,849.62x = 1,277,785.55 × 283,230.72
  4. Step 4: Simplify right side
    851,849.62x = 361,908,117,246.96
  5. Step 5: Solve for x
    x = 361,908,117,246.96/851,849.62
  6. Step 6: Final answer
    x = 424,849.77

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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.