Home / 599,935.64-828,119.68-345,388.28

Finding the Fourth Proportional to 599,935.64, 828,119.68 and 345,388.28

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Solution

The fourth proportional to 599,935.64, 828,119.68 and 345,388.28 is: 476,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,935.64 : 828,119.68 = 345,388.28 : x
  2. Step 2: Convert to fraction form
    599,935.64/828,119.68 = 345,388.28/x
  3. Step 3: Cross multiply
    599,935.64x = 828,119.68 × 345,388.28
  4. Step 4: Simplify right side
    599,935.64x = 286,022,831,909.35
  5. Step 5: Solve for x
    x = 286,022,831,909.35/599,935.64
  6. Step 6: Final answer
    x = 476,755.86

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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.