Home / 884,803.25-1,218,231.91-803,989.50

Finding the Fourth Proportional to 884,803.25, 1,218,231.91 and 803,989.50

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Solution

The fourth proportional to 884,803.25, 1,218,231.91 and 803,989.50 is: 1,106,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,803.25 : 1,218,231.91 = 803,989.50 : x
  2. Step 2: Convert to fraction form
    884,803.25/1,218,231.91 = 803,989.50/x
  3. Step 3: Cross multiply
    884,803.25x = 1,218,231.91 × 803,989.50
  4. Step 4: Simplify right side
    884,803.25x = 979,445,665,232.90
  5. Step 5: Solve for x
    x = 979,445,665,232.90/884,803.25
  6. Step 6: Final answer
    x = 1,106,964.36

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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.