Home / 869,032.20-1,303,677.90-308,022.60

Finding the Fourth Proportional to 869,032.20, 1,303,677.90 and 308,022.60

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Solution

The fourth proportional to 869,032.20, 1,303,677.90 and 308,022.60 is: 462,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,032.20 : 1,303,677.90 = 308,022.60 : x
  2. Step 2: Convert to fraction form
    869,032.20/1,303,677.90 = 308,022.60/x
  3. Step 3: Cross multiply
    869,032.20x = 1,303,677.90 × 308,022.60
  4. Step 4: Simplify right side
    869,032.20x = 401,562,256,320.54
  5. Step 5: Solve for x
    x = 401,562,256,320.54/869,032.20
  6. Step 6: Final answer
    x = 462,079.84

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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.