Home / 869,007.90-1,303,609.05-269,964.30

Finding the Fourth Proportional to 869,007.90, 1,303,609.05 and 269,964.30

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Solution

The fourth proportional to 869,007.90, 1,303,609.05 and 269,964.30 is: 404,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,007.90 : 1,303,609.05 = 269,964.30 : x
  2. Step 2: Convert to fraction form
    869,007.90/1,303,609.05 = 269,964.30/x
  3. Step 3: Cross multiply
    869,007.90x = 1,303,609.05 × 269,964.30
  4. Step 4: Simplify right side
    869,007.90x = 351,927,904,656.92
  5. Step 5: Solve for x
    x = 351,927,904,656.92/869,007.90
  6. Step 6: Final answer
    x = 404,976.65

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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.