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Finding the Fourth Proportional to 633,112.36, 873,694.98 and 346,632.34

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Solution

The fourth proportional to 633,112.36, 873,694.98 and 346,632.34 is: 478,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,112.36 : 873,694.98 = 346,632.34 : x
  2. Step 2: Convert to fraction form
    633,112.36/873,694.98 = 346,632.34/x
  3. Step 3: Cross multiply
    633,112.36x = 873,694.98 × 346,632.34
  4. Step 4: Simplify right side
    633,112.36x = 302,850,935,363.65
  5. Step 5: Solve for x
    x = 302,850,935,363.65/633,112.36
  6. Step 6: Final answer
    x = 478,352.59

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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.