Home / 816,164.40-1,224,246.60-255,370.80

Finding the Fourth Proportional to 816,164.40, 1,224,246.60 and 255,370.80

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Solution

The fourth proportional to 816,164.40, 1,224,246.60 and 255,370.80 is: 383,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,164.40 : 1,224,246.60 = 255,370.80 : x
  2. Step 2: Convert to fraction form
    816,164.40/1,224,246.60 = 255,370.80/x
  3. Step 3: Cross multiply
    816,164.40x = 1,224,246.60 × 255,370.80
  4. Step 4: Simplify right side
    816,164.40x = 312,636,833,639.28
  5. Step 5: Solve for x
    x = 312,636,833,639.28/816,164.40
  6. Step 6: Final answer
    x = 383,056.20

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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.