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Finding the Fourth Proportional to 632,662.75, 873,074.57 and 346,182.83

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Solution

The fourth proportional to 632,662.75, 873,074.57 and 346,182.83 is: 477,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,662.75 : 873,074.57 = 346,182.83 : x
  2. Step 2: Convert to fraction form
    632,662.75/873,074.57 = 346,182.83/x
  3. Step 3: Cross multiply
    632,662.75x = 873,074.57 × 346,182.83
  4. Step 4: Simplify right side
    632,662.75x = 302,243,422,621.38
  5. Step 5: Solve for x
    x = 302,243,422,621.38/632,662.75
  6. Step 6: Final answer
    x = 477,732.29

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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.