Home / 631,507.98-947,715.75-252,211.29

Finding the Fourth Proportional to 631,507.98, 947,715.75 and 252,211.29

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Solution

The fourth proportional to 631,507.98, 947,715.75 and 252,211.29 is: 378,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,507.98 : 947,715.75 = 252,211.29 : x
  2. Step 2: Convert to fraction form
    631,507.98/947,715.75 = 252,211.29/x
  3. Step 3: Cross multiply
    631,507.98x = 947,715.75 × 252,211.29
  4. Step 4: Simplify right side
    631,507.98x = 239,024,611,860.82
  5. Step 5: Solve for x
    x = 239,024,611,860.82/631,507.98
  6. Step 6: Final answer
    x = 378,498.17

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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.