Home / 734,430.60-1,100,771.10-307,965.60

Finding the Fourth Proportional to 734,430.60, 1,100,771.10 and 307,965.60

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Solution

The fourth proportional to 734,430.60, 1,100,771.10 and 307,965.60 is: 461,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,430.60 : 1,100,771.10 = 307,965.60 : x
  2. Step 2: Convert to fraction form
    734,430.60/1,100,771.10 = 307,965.60/x
  3. Step 3: Cross multiply
    734,430.60x = 1,100,771.10 × 307,965.60
  4. Step 4: Simplify right side
    734,430.60x = 338,999,632,274.16
  5. Step 5: Solve for x
    x = 338,999,632,274.16/734,430.60
  6. Step 6: Final answer
    x = 461,581.57

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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.