Home / 886,319.40-1,328,615.10-506,850.60

Finding the Fourth Proportional to 886,319.40, 1,328,615.10 and 506,850.60

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Solution

The fourth proportional to 886,319.40, 1,328,615.10 and 506,850.60 is: 759,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,319.40 : 1,328,615.10 = 506,850.60 : x
  2. Step 2: Convert to fraction form
    886,319.40/1,328,615.10 = 506,850.60/x
  3. Step 3: Cross multiply
    886,319.40x = 1,328,615.10 × 506,850.60
  4. Step 4: Simplify right side
    886,319.40x = 673,409,360,604.06
  5. Step 5: Solve for x
    x = 673,409,360,604.06/886,319.40
  6. Step 6: Final answer
    x = 759,781.81

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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.