Home / 805,991.60-1,208,987.40-332,519.60

Finding the Fourth Proportional to 805,991.60, 1,208,987.40 and 332,519.60

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Solution

The fourth proportional to 805,991.60, 1,208,987.40 and 332,519.60 is: 498,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,991.60 : 1,208,987.40 = 332,519.60 : x
  2. Step 2: Convert to fraction form
    805,991.60/1,208,987.40 = 332,519.60/x
  3. Step 3: Cross multiply
    805,991.60x = 1,208,987.40 × 332,519.60
  4. Step 4: Simplify right side
    805,991.60x = 402,012,006,653.04
  5. Step 5: Solve for x
    x = 402,012,006,653.04/805,991.60
  6. Step 6: Final answer
    x = 498,779.40

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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.