Home / 692,967.40-1,040,228.70-535,892.20

Finding the Fourth Proportional to 692,967.40, 1,040,228.70 and 535,892.20

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Solution

The fourth proportional to 692,967.40, 1,040,228.70 and 535,892.20 is: 804,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,967.40 : 1,040,228.70 = 535,892.20 : x
  2. Step 2: Convert to fraction form
    692,967.40/1,040,228.70 = 535,892.20/x
  3. Step 3: Cross multiply
    692,967.40x = 1,040,228.70 × 535,892.20
  4. Step 4: Simplify right side
    692,967.40x = 557,450,446,546.14
  5. Step 5: Solve for x
    x = 557,450,446,546.14/692,967.40
  6. Step 6: Final answer
    x = 804,439.64

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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.