Home / 726,646.60-1,089,969.90-372,352.60

Finding the Fourth Proportional to 726,646.60, 1,089,969.90 and 372,352.60

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Solution

The fourth proportional to 726,646.60, 1,089,969.90 and 372,352.60 is: 558,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,646.60 : 1,089,969.90 = 372,352.60 : x
  2. Step 2: Convert to fraction form
    726,646.60/1,089,969.90 = 372,352.60/x
  3. Step 3: Cross multiply
    726,646.60x = 1,089,969.90 × 372,352.60
  4. Step 4: Simplify right side
    726,646.60x = 405,853,126,186.74
  5. Step 5: Solve for x
    x = 405,853,126,186.74/726,646.60
  6. Step 6: Final answer
    x = 558,528.90

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Similar ratio
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1.5x scale

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.