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Finding the Fourth Proportional to 631,013.04, 870,791.40 and 344,532.24

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Solution

The fourth proportional to 631,013.04, 870,791.40 and 344,532.24 is: 475,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,013.04 : 870,791.40 = 344,532.24 : x
  2. Step 2: Convert to fraction form
    631,013.04/870,791.40 = 344,532.24/x
  3. Step 3: Cross multiply
    631,013.04x = 870,791.40 × 344,532.24
  4. Step 4: Simplify right side
    631,013.04x = 300,015,711,614.74
  5. Step 5: Solve for x
    x = 300,015,711,614.74/631,013.04
  6. Step 6: Final answer
    x = 475,450.89

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1.5x scale

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.