Home / 839,778.27-1,260,039.53-440,324.02

Finding the Fourth Proportional to 839,778.27, 1,260,039.53 and 440,324.02

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Solution

The fourth proportional to 839,778.27, 1,260,039.53 and 440,324.02 is: 660,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,778.27 : 1,260,039.53 = 440,324.02 : x
  2. Step 2: Convert to fraction form
    839,778.27/1,260,039.53 = 440,324.02/x
  3. Step 3: Cross multiply
    839,778.27x = 1,260,039.53 × 440,324.02
  4. Step 4: Simplify right side
    839,778.27x = 554,825,671,208.51
  5. Step 5: Solve for x
    x = 554,825,671,208.51/839,778.27
  6. Step 6: Final answer
    x = 660,681.15

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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.