Home / 947,774.25-1,421,910.32-340,623.83

Finding the Fourth Proportional to 947,774.25, 1,421,910.32 and 340,623.83

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Solution

The fourth proportional to 947,774.25, 1,421,910.32 and 340,623.83 is: 511,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,774.25 : 1,421,910.32 = 340,623.83 : x
  2. Step 2: Convert to fraction form
    947,774.25/1,421,910.32 = 340,623.83/x
  3. Step 3: Cross multiply
    947,774.25x = 1,421,910.32 × 340,623.83
  4. Step 4: Simplify right side
    947,774.25x = 484,336,540,966.58
  5. Step 5: Solve for x
    x = 484,336,540,966.58/947,774.25
  6. Step 6: Final answer
    x = 511,025.22

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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.