Home / 804,011.60-1,206,017.40-331,036.40

Finding the Fourth Proportional to 804,011.60, 1,206,017.40 and 331,036.40

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Solution

The fourth proportional to 804,011.60, 1,206,017.40 and 331,036.40 is: 496,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,011.60 : 1,206,017.40 = 331,036.40 : x
  2. Step 2: Convert to fraction form
    804,011.60/1,206,017.40 = 331,036.40/x
  3. Step 3: Cross multiply
    804,011.60x = 1,206,017.40 × 331,036.40
  4. Step 4: Simplify right side
    804,011.60x = 399,235,658,433.36
  5. Step 5: Solve for x
    x = 399,235,658,433.36/804,011.60
  6. Step 6: Final answer
    x = 496,554.60

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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.