Home / 447,728.22-617,665.23-302,487.26

Finding the Fourth Proportional to 447,728.22, 617,665.23 and 302,487.26

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Solution

The fourth proportional to 447,728.22, 617,665.23 and 302,487.26 is: 417,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,728.22 : 617,665.23 = 302,487.26 : x
  2. Step 2: Convert to fraction form
    447,728.22/617,665.23 = 302,487.26/x
  3. Step 3: Cross multiply
    447,728.22x = 617,665.23 × 302,487.26
  4. Step 4: Simplify right side
    447,728.22x = 186,835,859,931.64
  5. Step 5: Solve for x
    x = 186,835,859,931.64/447,728.22
  6. Step 6: Final answer
    x = 417,297.48

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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.