Home / 809,535.38-1,117,257.26-470,003.63

Finding the Fourth Proportional to 809,535.38, 1,117,257.26 and 470,003.63

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Solution

The fourth proportional to 809,535.38, 1,117,257.26 and 470,003.63 is: 648,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,535.38 : 1,117,257.26 = 470,003.63 : x
  2. Step 2: Convert to fraction form
    809,535.38/1,117,257.26 = 470,003.63/x
  3. Step 3: Cross multiply
    809,535.38x = 1,117,257.26 × 470,003.63
  4. Step 4: Simplify right side
    809,535.38x = 525,114,959,907.55
  5. Step 5: Solve for x
    x = 525,114,959,907.55/809,535.38
  6. Step 6: Final answer
    x = 648,662.15

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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.