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Finding the Fourth Proportional to 631,041.14, 870,832.41 and 344,561.06

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Solution

The fourth proportional to 631,041.14, 870,832.41 and 344,561.06 is: 475,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,041.14 : 870,832.41 = 344,561.06 : x
  2. Step 2: Convert to fraction form
    631,041.14/870,832.41 = 344,561.06/x
  3. Step 3: Cross multiply
    631,041.14x = 870,832.41 × 344,561.06
  4. Step 4: Simplify right side
    631,041.14x = 300,054,938,271.96
  5. Step 5: Solve for x
    x = 300,054,938,271.96/631,041.14
  6. Step 6: Final answer
    x = 475,491.88

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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.