Home / 947,767.50-1,421,900.19-340,617.08

Finding the Fourth Proportional to 947,767.50, 1,421,900.19 and 340,617.08

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Solution

The fourth proportional to 947,767.50, 1,421,900.19 and 340,617.08 is: 511,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,767.50 : 1,421,900.19 = 340,617.08 : x
  2. Step 2: Convert to fraction form
    947,767.50/1,421,900.19 = 340,617.08/x
  3. Step 3: Cross multiply
    947,767.50x = 1,421,900.19 × 340,617.08
  4. Step 4: Simplify right side
    947,767.50x = 484,323,494,324.00
  5. Step 5: Solve for x
    x = 484,323,494,324.00/947,767.50
  6. Step 6: Final answer
    x = 511,015.09

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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.