Home / 947,766.90-1,421,899.62-340,616.55

Finding the Fourth Proportional to 947,766.90, 1,421,899.62 and 340,616.55

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Solution

The fourth proportional to 947,766.90, 1,421,899.62 and 340,616.55 is: 511,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,766.90 : 1,421,899.62 = 340,616.55 : x
  2. Step 2: Convert to fraction form
    947,766.90/1,421,899.62 = 340,616.55/x
  3. Step 3: Cross multiply
    947,766.90x = 1,421,899.62 × 340,616.55
  4. Step 4: Simplify right side
    947,766.90x = 484,322,543,010.71
  5. Step 5: Solve for x
    x = 484,322,543,010.71/947,766.90
  6. Step 6: Final answer
    x = 511,014.41

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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.