Home / 809,010.88-1,116,657.12-469,588.48

Finding the Fourth Proportional to 809,010.88, 1,116,657.12 and 469,588.48

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Solution

The fourth proportional to 809,010.88, 1,116,657.12 and 469,588.48 is: 648,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,010.88 : 1,116,657.12 = 469,588.48 : x
  2. Step 2: Convert to fraction form
    809,010.88/1,116,657.12 = 469,588.48/x
  3. Step 3: Cross multiply
    809,010.88x = 1,116,657.12 × 469,588.48
  4. Step 4: Simplify right side
    809,010.88x = 524,369,319,661.98
  5. Step 5: Solve for x
    x = 524,369,319,661.98/809,010.88
  6. Step 6: Final answer
    x = 648,161.02

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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.