Home / 724,346.39-1,086,525.03-274,946.11

Finding the Fourth Proportional to 724,346.39, 1,086,525.03 and 274,946.11

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Solution

The fourth proportional to 724,346.39, 1,086,525.03 and 274,946.11 is: 412,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,346.39 : 1,086,525.03 = 274,946.11 : x
  2. Step 2: Convert to fraction form
    724,346.39/1,086,525.03 = 274,946.11/x
  3. Step 3: Cross multiply
    724,346.39x = 1,086,525.03 × 274,946.11
  4. Step 4: Simplify right side
    724,346.39x = 298,735,830,416.13
  5. Step 5: Solve for x
    x = 298,735,830,416.13/724,346.39
  6. Step 6: Final answer
    x = 412,421.23

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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.