Home / 817,448.56-1,225,055.04-617,605.36

Finding the Fourth Proportional to 817,448.56, 1,225,055.04 and 617,605.36

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Solution

The fourth proportional to 817,448.56, 1,225,055.04 and 617,605.36 is: 925,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,448.56 : 1,225,055.04 = 617,605.36 : x
  2. Step 2: Convert to fraction form
    817,448.56/1,225,055.04 = 617,605.36/x
  3. Step 3: Cross multiply
    817,448.56x = 1,225,055.04 × 617,605.36
  4. Step 4: Simplify right side
    817,448.56x = 756,600,558,999.01
  5. Step 5: Solve for x
    x = 756,600,558,999.01/817,448.56
  6. Step 6: Final answer
    x = 925,563.51

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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.