Home / 669,112-1,001,147.20-469,826.08

Finding the Fourth Proportional to 669,112, 1,001,147.20 and 469,826.08

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Solution

The fourth proportional to 669,112, 1,001,147.20 and 469,826.08 is: 702,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,112 : 1,001,147.20 = 469,826.08 : x
  2. Step 2: Convert to fraction form
    669,112/1,001,147.20 = 469,826.08/x
  3. Step 3: Cross multiply
    669,112x = 1,001,147.20 × 469,826.08
  4. Step 4: Simplify right side
    669,112x = 470,365,064,478.98
  5. Step 5: Solve for x
    x = 470,365,064,478.98/669,112
  6. Step 6: Final answer
    x = 702,969.11

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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.