Home / 809,350.08-1,116,729.84-469,636.08

Finding the Fourth Proportional to 809,350.08, 1,116,729.84 and 469,636.08

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Solution

The fourth proportional to 809,350.08, 1,116,729.84 and 469,636.08 is: 647,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,350.08 : 1,116,729.84 = 469,636.08 : x
  2. Step 2: Convert to fraction form
    809,350.08/1,116,729.84 = 469,636.08/x
  3. Step 3: Cross multiply
    809,350.08x = 1,116,729.84 × 469,636.08
  4. Step 4: Simplify right side
    809,350.08x = 524,456,624,476.63
  5. Step 5: Solve for x
    x = 524,456,624,476.63/809,350.08
  6. Step 6: Final answer
    x = 647,997.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.