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Finding the Fourth Proportional to 631,018.04, 870,798.30 and 344,537.24

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Solution

The fourth proportional to 631,018.04, 870,798.30 and 344,537.24 is: 475,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,018.04 : 870,798.30 = 344,537.24 : x
  2. Step 2: Convert to fraction form
    631,018.04/870,798.30 = 344,537.24/x
  3. Step 3: Cross multiply
    631,018.04x = 870,798.30 × 344,537.24
  4. Step 4: Simplify right side
    631,018.04x = 300,022,442,878.69
  5. Step 5: Solve for x
    x = 300,022,442,878.69/631,018.04
  6. Step 6: Final answer
    x = 475,457.79

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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.