Home / 550,033.20-759,099.60-308,316.24

Finding the Fourth Proportional to 550,033.20, 759,099.60 and 308,316.24

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Solution

The fourth proportional to 550,033.20, 759,099.60 and 308,316.24 is: 425,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,033.20 : 759,099.60 = 308,316.24 : x
  2. Step 2: Convert to fraction form
    550,033.20/759,099.60 = 308,316.24/x
  3. Step 3: Cross multiply
    550,033.20x = 759,099.60 × 308,316.24
  4. Step 4: Simplify right side
    550,033.20x = 234,042,734,457.50
  5. Step 5: Solve for x
    x = 234,042,734,457.50/550,033.20
  6. Step 6: Final answer
    x = 425,506.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.