Home / 756,970.50-1,135,455.93-307,935.66

Finding the Fourth Proportional to 756,970.50, 1,135,455.93 and 307,935.66

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Solution

The fourth proportional to 756,970.50, 1,135,455.93 and 307,935.66 is: 461,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,970.50 : 1,135,455.93 = 307,935.66 : x
  2. Step 2: Convert to fraction form
    756,970.50/1,135,455.93 = 307,935.66/x
  3. Step 3: Cross multiply
    756,970.50x = 1,135,455.93 × 307,935.66
  4. Step 4: Simplify right side
    756,970.50x = 349,647,371,205.46
  5. Step 5: Solve for x
    x = 349,647,371,205.46/756,970.50
  6. Step 6: Final answer
    x = 461,903.56

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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.