Home / 816,520.32-1,224,360.90-366,855.84

Finding the Fourth Proportional to 816,520.32, 1,224,360.90 and 366,855.84

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Solution

The fourth proportional to 816,520.32, 1,224,360.90 and 366,855.84 is: 550,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,520.32 : 1,224,360.90 = 366,855.84 : x
  2. Step 2: Convert to fraction form
    816,520.32/1,224,360.90 = 366,855.84/x
  3. Step 3: Cross multiply
    816,520.32x = 1,224,360.90 × 366,855.84
  4. Step 4: Simplify right side
    816,520.32x = 449,163,946,432.66
  5. Step 5: Solve for x
    x = 449,163,946,432.66/816,520.32
  6. Step 6: Final answer
    x = 550,095.25

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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.