Home / 631,509.98-947,718.75-252,213.29

Finding the Fourth Proportional to 631,509.98, 947,718.75 and 252,213.29

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Solution

The fourth proportional to 631,509.98, 947,718.75 and 252,213.29 is: 378,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,509.98 : 947,718.75 = 252,213.29 : x
  2. Step 2: Convert to fraction form
    631,509.98/947,718.75 = 252,213.29/x
  3. Step 3: Cross multiply
    631,509.98x = 947,718.75 × 252,213.29
  4. Step 4: Simplify right side
    631,509.98x = 239,027,263,932.19
  5. Step 5: Solve for x
    x = 239,027,263,932.19/631,509.98
  6. Step 6: Final answer
    x = 378,501.17

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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.