Home / 816,072.60-1,224,108.90-496,738.20

Finding the Fourth Proportional to 816,072.60, 1,224,108.90 and 496,738.20

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Solution

The fourth proportional to 816,072.60, 1,224,108.90 and 496,738.20 is: 745,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,072.60 : 1,224,108.90 = 496,738.20 : x
  2. Step 2: Convert to fraction form
    816,072.60/1,224,108.90 = 496,738.20/x
  3. Step 3: Cross multiply
    816,072.60x = 1,224,108.90 × 496,738.20
  4. Step 4: Simplify right side
    816,072.60x = 608,061,651,589.98
  5. Step 5: Solve for x
    x = 608,061,651,589.98/816,072.60
  6. Step 6: Final answer
    x = 745,107.30

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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.