Home / 824,217.13-1,236,503.25-255,586.80

Finding the Fourth Proportional to 824,217.13, 1,236,503.25 and 255,586.80

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Solution

The fourth proportional to 824,217.13, 1,236,503.25 and 255,586.80 is: 383,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,217.13 : 1,236,503.25 = 255,586.80 : x
  2. Step 2: Convert to fraction form
    824,217.13/1,236,503.25 = 255,586.80/x
  3. Step 3: Cross multiply
    824,217.13x = 1,236,503.25 × 255,586.80
  4. Step 4: Simplify right side
    824,217.13x = 316,033,908,857.10
  5. Step 5: Solve for x
    x = 316,033,908,857.10/824,217.13
  6. Step 6: Final answer
    x = 383,435.26

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Double scale
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Similar ratio
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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.