Home / 839,013.80-1,258,108.62-359,173.76

Finding the Fourth Proportional to 839,013.80, 1,258,108.62 and 359,173.76

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Solution

The fourth proportional to 839,013.80, 1,258,108.62 and 359,173.76 is: 538,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,013.80 : 1,258,108.62 = 359,173.76 : x
  2. Step 2: Convert to fraction form
    839,013.80/1,258,108.62 = 359,173.76/x
  3. Step 3: Cross multiply
    839,013.80x = 1,258,108.62 × 359,173.76
  4. Step 4: Simplify right side
    839,013.80x = 451,879,603,533.81
  5. Step 5: Solve for x
    x = 451,879,603,533.81/839,013.80
  6. Step 6: Final answer
    x = 538,584.23

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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.