Home / 809,467.02-1,214,086.32-509,031.54

Finding the Fourth Proportional to 809,467.02, 1,214,086.32 and 509,031.54

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Solution

The fourth proportional to 809,467.02, 1,214,086.32 and 509,031.54 is: 763,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,467.02 : 1,214,086.32 = 509,031.54 : x
  2. Step 2: Convert to fraction form
    809,467.02/1,214,086.32 = 509,031.54/x
  3. Step 3: Cross multiply
    809,467.02x = 1,214,086.32 × 509,031.54
  4. Step 4: Simplify right side
    809,467.02x = 618,008,229,162.53
  5. Step 5: Solve for x
    x = 618,008,229,162.53/809,467.02
  6. Step 6: Final answer
    x = 763,475.49

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Double scale
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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.