Home / 988,330.20-1,484,244.90-764,235.60

Finding the Fourth Proportional to 988,330.20, 1,484,244.90 and 764,235.60

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Solution

The fourth proportional to 988,330.20, 1,484,244.90 and 764,235.60 is: 1,147,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,330.20 : 1,484,244.90 = 764,235.60 : x
  2. Step 2: Convert to fraction form
    988,330.20/1,484,244.90 = 764,235.60/x
  3. Step 3: Cross multiply
    988,330.20x = 1,484,244.90 × 764,235.60
  4. Step 4: Simplify right side
    988,330.20x = 1,134,312,791,698.44
  5. Step 5: Solve for x
    x = 1,134,312,791,698.44/988,330.20
  6. Step 6: Final answer
    x = 1,147,706.29

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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.