Home / 806,639.91-1,209,993.24-238,021.00

Finding the Fourth Proportional to 806,639.91, 1,209,993.24 and 238,021.00

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Solution

The fourth proportional to 806,639.91, 1,209,993.24 and 238,021.00 is: 357,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,639.91 : 1,209,993.24 = 238,021.00 : x
  2. Step 2: Convert to fraction form
    806,639.91/1,209,993.24 = 238,021.00/x
  3. Step 3: Cross multiply
    806,639.91x = 1,209,993.24 × 238,021.00
  4. Step 4: Simplify right side
    806,639.91x = 288,003,798,845.64
  5. Step 5: Solve for x
    x = 288,003,798,845.64/806,639.91
  6. Step 6: Final answer
    x = 357,041.35

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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.