Home / 745,372.94-1,116,648.79-440,855.06

Finding the Fourth Proportional to 745,372.94, 1,116,648.79 and 440,855.06

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Solution

The fourth proportional to 745,372.94, 1,116,648.79 and 440,855.06 is: 660,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,372.94 : 1,116,648.79 = 440,855.06 : x
  2. Step 2: Convert to fraction form
    745,372.94/1,116,648.79 = 440,855.06/x
  3. Step 3: Cross multiply
    745,372.94x = 1,116,648.79 × 440,855.06
  4. Step 4: Simplify right side
    745,372.94x = 492,280,262,629.00
  5. Step 5: Solve for x
    x = 492,280,262,629.00/745,372.94
  6. Step 6: Final answer
    x = 660,448.27

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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.