Home / 816,559.60-1,224,877.80-255,612.40

Finding the Fourth Proportional to 816,559.60, 1,224,877.80 and 255,612.40

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Solution

The fourth proportional to 816,559.60, 1,224,877.80 and 255,612.40 is: 383,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,559.60 : 1,224,877.80 = 255,612.40 : x
  2. Step 2: Convert to fraction form
    816,559.60/1,224,877.80 = 255,612.40/x
  3. Step 3: Cross multiply
    816,559.60x = 1,224,877.80 × 255,612.40
  4. Step 4: Simplify right side
    816,559.60x = 313,093,954,164.72
  5. Step 5: Solve for x
    x = 313,093,954,164.72/816,559.60
  6. Step 6: Final answer
    x = 383,430.62

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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.