Home / 1,323.08-1,985.06-501.42

Finding the Fourth Proportional to 1,323.08, 1,985.06 and 501.42

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Solution

The fourth proportional to 1,323.08, 1,985.06 and 501.42 is: 752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.08 : 1,985.06 = 501.42 : x
  2. Step 2: Convert to fraction form
    1,323.08/1,985.06 = 501.42/x
  3. Step 3: Cross multiply
    1,323.08x = 1,985.06 × 501.42
  4. Step 4: Simplify right side
    1,323.08x = 995,348.79
  5. Step 5: Solve for x
    x = 995,348.79/1,323.08
  6. Step 6: Final answer
    x = 752.30

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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.