Home / 811,821.74-1,217,590.04-250,861.10

Finding the Fourth Proportional to 811,821.74, 1,217,590.04 and 250,861.10

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Solution

The fourth proportional to 811,821.74, 1,217,590.04 and 250,861.10 is: 376,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,821.74 : 1,217,590.04 = 250,861.10 : x
  2. Step 2: Convert to fraction form
    811,821.74/1,217,590.04 = 250,861.10/x
  3. Step 3: Cross multiply
    811,821.74x = 1,217,590.04 × 250,861.10
  4. Step 4: Simplify right side
    811,821.74x = 305,445,971,322.65
  5. Step 5: Solve for x
    x = 305,445,971,322.65/811,821.74
  6. Step 6: Final answer
    x = 376,247.59

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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.