Home / 839,435.22-1,259,524.62-439,981.02

Finding the Fourth Proportional to 839,435.22, 1,259,524.62 and 439,981.02

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Solution

The fourth proportional to 839,435.22, 1,259,524.62 and 439,981.02 is: 660,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,435.22 : 1,259,524.62 = 439,981.02 : x
  2. Step 2: Convert to fraction form
    839,435.22/1,259,524.62 = 439,981.02/x
  3. Step 3: Cross multiply
    839,435.22x = 1,259,524.62 × 439,981.02
  4. Step 4: Simplify right side
    839,435.22x = 554,166,927,022.71
  5. Step 5: Solve for x
    x = 554,166,927,022.71/839,435.22
  6. Step 6: Final answer
    x = 660,166.40

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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.