Home / 726,184.20-1,089,276.30-371,080.20

Finding the Fourth Proportional to 726,184.20, 1,089,276.30 and 371,080.20

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Solution

The fourth proportional to 726,184.20, 1,089,276.30 and 371,080.20 is: 556,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,184.20 : 1,089,276.30 = 371,080.20 : x
  2. Step 2: Convert to fraction form
    726,184.20/1,089,276.30 = 371,080.20/x
  3. Step 3: Cross multiply
    726,184.20x = 1,089,276.30 × 371,080.20
  4. Step 4: Simplify right side
    726,184.20x = 404,208,867,259.26
  5. Step 5: Solve for x
    x = 404,208,867,259.26/726,184.20
  6. Step 6: Final answer
    x = 556,620.30

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Double scale
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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.