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Finding the Fourth Proportional to 538,727.60, 743,430.36 and 297,004.52

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Solution

The fourth proportional to 538,727.60, 743,430.36 and 297,004.52 is: 409,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,727.60 : 743,430.36 = 297,004.52 : x
  2. Step 2: Convert to fraction form
    538,727.60/743,430.36 = 297,004.52/x
  3. Step 3: Cross multiply
    538,727.60x = 743,430.36 × 297,004.52
  4. Step 4: Simplify right side
    538,727.60x = 220,802,177,225.23
  5. Step 5: Solve for x
    x = 220,802,177,225.23/538,727.60
  6. Step 6: Final answer
    x = 409,858.67

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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.