Home / 990,724.01-1,485,617.63-383,796.62

Finding the Fourth Proportional to 990,724.01, 1,485,617.63 and 383,796.62

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Solution

The fourth proportional to 990,724.01, 1,485,617.63 and 383,796.62 is: 575,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,724.01 : 1,485,617.63 = 383,796.62 : x
  2. Step 2: Convert to fraction form
    990,724.01/1,485,617.63 = 383,796.62/x
  3. Step 3: Cross multiply
    990,724.01x = 1,485,617.63 × 383,796.62
  4. Step 4: Simplify right side
    990,724.01x = 570,175,015,659.34
  5. Step 5: Solve for x
    x = 570,175,015,659.34/990,724.01
  6. Step 6: Final answer
    x = 575,513.48

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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.