Home / 727,213.62-1,090,895.07-278,312.10

Finding the Fourth Proportional to 727,213.62, 1,090,895.07 and 278,312.10

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Solution

The fourth proportional to 727,213.62, 1,090,895.07 and 278,312.10 is: 417,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,213.62 : 1,090,895.07 = 278,312.10 : x
  2. Step 2: Convert to fraction form
    727,213.62/1,090,895.07 = 278,312.10/x
  3. Step 3: Cross multiply
    727,213.62x = 1,090,895.07 × 278,312.10
  4. Step 4: Simplify right side
    727,213.62x = 303,609,297,811.35
  5. Step 5: Solve for x
    x = 303,609,297,811.35/727,213.62
  6. Step 6: Final answer
    x = 417,496.72

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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.