Home / 631,720.72-947,477.20-226,829.08

Finding the Fourth Proportional to 631,720.72, 947,477.20 and 226,829.08

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Solution

The fourth proportional to 631,720.72, 947,477.20 and 226,829.08 is: 340,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,720.72 : 947,477.20 = 226,829.08 : x
  2. Step 2: Convert to fraction form
    631,720.72/947,477.20 = 226,829.08/x
  3. Step 3: Cross multiply
    631,720.72x = 947,477.20 × 226,829.08
  4. Step 4: Simplify right side
    631,720.72x = 214,915,381,596.98
  5. Step 5: Solve for x
    x = 214,915,381,596.98/631,720.72
  6. Step 6: Final answer
    x = 340,206.32

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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.