Home / 947,760.96-1,421,890.44-340,610.58

Finding the Fourth Proportional to 947,760.96, 1,421,890.44 and 340,610.58

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Solution

The fourth proportional to 947,760.96, 1,421,890.44 and 340,610.58 is: 511,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,760.96 : 1,421,890.44 = 340,610.58 : x
  2. Step 2: Convert to fraction form
    947,760.96/1,421,890.44 = 340,610.58/x
  3. Step 3: Cross multiply
    947,760.96x = 1,421,890.44 × 340,610.58
  4. Step 4: Simplify right side
    947,760.96x = 484,310,927,464.86
  5. Step 5: Solve for x
    x = 484,310,927,464.86/947,760.96
  6. Step 6: Final answer
    x = 511,005.36

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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.