Home / 554,977.75-765,869.25-300,328.93

Finding the Fourth Proportional to 554,977.75, 765,869.25 and 300,328.93

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Solution

The fourth proportional to 554,977.75, 765,869.25 and 300,328.93 is: 414,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,977.75 : 765,869.25 = 300,328.93 : x
  2. Step 2: Convert to fraction form
    554,977.75/765,869.25 = 300,328.93/x
  3. Step 3: Cross multiply
    554,977.75x = 765,869.25 × 300,328.93
  4. Step 4: Simplify right side
    554,977.75x = 230,012,692,372.40
  5. Step 5: Solve for x
    x = 230,012,692,372.40/554,977.75
  6. Step 6: Final answer
    x = 414,453.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.