Home / 824,079.18-1,236,310.47-255,430.11

Finding the Fourth Proportional to 824,079.18, 1,236,310.47 and 255,430.11

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Solution

The fourth proportional to 824,079.18, 1,236,310.47 and 255,430.11 is: 383,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,079.18 : 1,236,310.47 = 255,430.11 : x
  2. Step 2: Convert to fraction form
    824,079.18/1,236,310.47 = 255,430.11/x
  3. Step 3: Cross multiply
    824,079.18x = 1,236,310.47 × 255,430.11
  4. Step 4: Simplify right side
    824,079.18x = 315,790,919,346.25
  5. Step 5: Solve for x
    x = 315,790,919,346.25/824,079.18
  6. Step 6: Final answer
    x = 383,204.58

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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.