Home / 800,019.64-1,200,030.61-326,705.00

Finding the Fourth Proportional to 800,019.64, 1,200,030.61 and 326,705.00

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Solution

The fourth proportional to 800,019.64, 1,200,030.61 and 326,705.00 is: 490,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,019.64 : 1,200,030.61 = 326,705.00 : x
  2. Step 2: Convert to fraction form
    800,019.64/1,200,030.61 = 326,705.00/x
  3. Step 3: Cross multiply
    800,019.64x = 1,200,030.61 × 326,705.00
  4. Step 4: Simplify right side
    800,019.64x = 392,055,996,564.87
  5. Step 5: Solve for x
    x = 392,055,996,564.87/800,019.64
  6. Step 6: Final answer
    x = 490,057.97

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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.