Home / 631,021.04-870,802.44-344,540.24

Finding the Fourth Proportional to 631,021.04, 870,802.44 and 344,540.24

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Solution

The fourth proportional to 631,021.04, 870,802.44 and 344,540.24 is: 475,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,021.04 : 870,802.44 = 344,540.24 : x
  2. Step 2: Convert to fraction form
    631,021.04/870,802.44 = 344,540.24/x
  3. Step 3: Cross multiply
    631,021.04x = 870,802.44 × 344,540.24
  4. Step 4: Simplify right side
    631,021.04x = 300,026,481,670.19
  5. Step 5: Solve for x
    x = 300,026,481,670.19/631,021.04
  6. Step 6: Final answer
    x = 475,461.93

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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.