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Finding the Fourth Proportional to 633,030.45, 873,582.00 and 346,550.54

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Solution

The fourth proportional to 633,030.45, 873,582.00 and 346,550.54 is: 478,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,030.45 : 873,582.00 = 346,550.54 : x
  2. Step 2: Convert to fraction form
    633,030.45/873,582.00 = 346,550.54/x
  3. Step 3: Cross multiply
    633,030.45x = 873,582.00 × 346,550.54
  4. Step 4: Simplify right side
    633,030.45x = 302,740,313,314.24
  5. Step 5: Solve for x
    x = 302,740,313,314.24/633,030.45
  6. Step 6: Final answer
    x = 478,239.73

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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.