Home / 988,984.80-1,483,477.20-652,186.80

Finding the Fourth Proportional to 988,984.80, 1,483,477.20 and 652,186.80

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Solution

The fourth proportional to 988,984.80, 1,483,477.20 and 652,186.80 is: 978,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,984.80 : 1,483,477.20 = 652,186.80 : x
  2. Step 2: Convert to fraction form
    988,984.80/1,483,477.20 = 652,186.80/x
  3. Step 3: Cross multiply
    988,984.80x = 1,483,477.20 × 652,186.80
  4. Step 4: Simplify right side
    988,984.80x = 967,504,247,940.96
  5. Step 5: Solve for x
    x = 967,504,247,940.96/988,984.80
  6. Step 6: Final answer
    x = 978,280.20

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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.