Home / 727,876.56-1,004,459.49-405,600.24

Finding the Fourth Proportional to 727,876.56, 1,004,459.49 and 405,600.24

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Solution

The fourth proportional to 727,876.56, 1,004,459.49 and 405,600.24 is: 559,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,876.56 : 1,004,459.49 = 405,600.24 : x
  2. Step 2: Convert to fraction form
    727,876.56/1,004,459.49 = 405,600.24/x
  3. Step 3: Cross multiply
    727,876.56x = 1,004,459.49 × 405,600.24
  4. Step 4: Simplify right side
    727,876.56x = 407,409,010,214.28
  5. Step 5: Solve for x
    x = 407,409,010,214.28/727,876.56
  6. Step 6: Final answer
    x = 559,722.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.