Home / 447,865.48-617,334.02-302,625.92

Finding the Fourth Proportional to 447,865.48, 617,334.02 and 302,625.92

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Solution

The fourth proportional to 447,865.48, 617,334.02 and 302,625.92 is: 417,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865.48 : 617,334.02 = 302,625.92 : x
  2. Step 2: Convert to fraction form
    447,865.48/617,334.02 = 302,625.92/x
  3. Step 3: Cross multiply
    447,865.48x = 617,334.02 × 302,625.92
  4. Step 4: Simplify right side
    447,865.48x = 186,821,275,749.80
  5. Step 5: Solve for x
    x = 186,821,275,749.80/447,865.48
  6. Step 6: Final answer
    x = 417,137.03

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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.