Home / 735,166.80-1,102,231.26-285,513.12

Finding the Fourth Proportional to 735,166.80, 1,102,231.26 and 285,513.12

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Solution

The fourth proportional to 735,166.80, 1,102,231.26 and 285,513.12 is: 428,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,166.80 : 1,102,231.26 = 285,513.12 : x
  2. Step 2: Convert to fraction form
    735,166.80/1,102,231.26 = 285,513.12/x
  3. Step 3: Cross multiply
    735,166.80x = 1,102,231.26 × 285,513.12
  4. Step 4: Simplify right side
    735,166.80x = 314,701,486,004.13
  5. Step 5: Solve for x
    x = 314,701,486,004.13/735,166.80
  6. Step 6: Final answer
    x = 428,068.14

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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.