Home / 682,612.40-1,024,501.80-304,115.60

Finding the Fourth Proportional to 682,612.40, 1,024,501.80 and 304,115.60

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Solution

The fourth proportional to 682,612.40, 1,024,501.80 and 304,115.60 is: 456,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,612.40 : 1,024,501.80 = 304,115.60 : x
  2. Step 2: Convert to fraction form
    682,612.40/1,024,501.80 = 304,115.60/x
  3. Step 3: Cross multiply
    682,612.40x = 1,024,501.80 × 304,115.60
  4. Step 4: Simplify right side
    682,612.40x = 311,566,979,608.08
  5. Step 5: Solve for x
    x = 311,566,979,608.08/682,612.40
  6. Step 6: Final answer
    x = 456,433.23

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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.