Home / 808,889.60-1,213,334.40-715,577.60

Finding the Fourth Proportional to 808,889.60, 1,213,334.40 and 715,577.60

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Solution

The fourth proportional to 808,889.60, 1,213,334.40 and 715,577.60 is: 1,073,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,889.60 : 1,213,334.40 = 715,577.60 : x
  2. Step 2: Convert to fraction form
    808,889.60/1,213,334.40 = 715,577.60/x
  3. Step 3: Cross multiply
    808,889.60x = 1,213,334.40 × 715,577.60
  4. Step 4: Simplify right side
    808,889.60x = 868,234,917,949.44
  5. Step 5: Solve for x
    x = 868,234,917,949.44/808,889.60
  6. Step 6: Final answer
    x = 1,073,366.40

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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.