Home / 891,889.64-1,230,808.55-509,924.42

Finding the Fourth Proportional to 891,889.64, 1,230,808.55 and 509,924.42

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Solution

The fourth proportional to 891,889.64, 1,230,808.55 and 509,924.42 is: 703,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,889.64 : 1,230,808.55 = 509,924.42 : x
  2. Step 2: Convert to fraction form
    891,889.64/1,230,808.55 = 509,924.42/x
  3. Step 3: Cross multiply
    891,889.64x = 1,230,808.55 × 509,924.42
  4. Step 4: Simplify right side
    891,889.64x = 627,619,335,989.79
  5. Step 5: Solve for x
    x = 627,619,335,989.79/891,889.64
  6. Step 6: Final answer
    x = 703,696.18

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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.