Home / 699,077.26-1,048,612.63-219,340.18

Finding the Fourth Proportional to 699,077.26, 1,048,612.63 and 219,340.18

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Solution

The fourth proportional to 699,077.26, 1,048,612.63 and 219,340.18 is: 329,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,077.26 : 1,048,612.63 = 219,340.18 : x
  2. Step 2: Convert to fraction form
    699,077.26/1,048,612.63 = 219,340.18/x
  3. Step 3: Cross multiply
    699,077.26x = 1,048,612.63 × 219,340.18
  4. Step 4: Simplify right side
    699,077.26x = 230,002,883,014.47
  5. Step 5: Solve for x
    x = 230,002,883,014.47/699,077.26
  6. Step 6: Final answer
    x = 329,009.25

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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.