Home / 805,248.81-1,206,987.48-331,675.83

Finding the Fourth Proportional to 805,248.81, 1,206,987.48 and 331,675.83

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Solution

The fourth proportional to 805,248.81, 1,206,987.48 and 331,675.83 is: 497,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,248.81 : 1,206,987.48 = 331,675.83 : x
  2. Step 2: Convert to fraction form
    805,248.81/1,206,987.48 = 331,675.83/x
  3. Step 3: Cross multiply
    805,248.81x = 1,206,987.48 × 331,675.83
  4. Step 4: Simplify right side
    805,248.81x = 400,328,574,228.61
  5. Step 5: Solve for x
    x = 400,328,574,228.61/805,248.81
  6. Step 6: Final answer
    x = 497,148.92

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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.