Home / 726,605.40-1,089,908.10-498,282.60

Finding the Fourth Proportional to 726,605.40, 1,089,908.10 and 498,282.60

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Solution

The fourth proportional to 726,605.40, 1,089,908.10 and 498,282.60 is: 747,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,605.40 : 1,089,908.10 = 498,282.60 : x
  2. Step 2: Convert to fraction form
    726,605.40/1,089,908.10 = 498,282.60/x
  3. Step 3: Cross multiply
    726,605.40x = 1,089,908.10 × 498,282.60
  4. Step 4: Simplify right side
    726,605.40x = 543,082,241,829.06
  5. Step 5: Solve for x
    x = 543,082,241,829.06/726,605.40
  6. Step 6: Final answer
    x = 747,423.90

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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.