Home / 756,441-1,133,895.74-490,370.44

Finding the Fourth Proportional to 756,441, 1,133,895.74 and 490,370.44

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Solution

The fourth proportional to 756,441, 1,133,895.74 and 490,370.44 is: 735,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,441 : 1,133,895.74 = 490,370.44 : x
  2. Step 2: Convert to fraction form
    756,441/1,133,895.74 = 490,370.44/x
  3. Step 3: Cross multiply
    756,441x = 1,133,895.74 × 490,370.44
  4. Step 4: Simplify right side
    756,441x = 556,028,952,937.93
  5. Step 5: Solve for x
    x = 556,028,952,937.93/756,441
  6. Step 6: Final answer
    x = 735,059.25

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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.