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Finding the Fourth Proportional to 448,012.23, 670,911.86 and 333,886.37

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Solution

The fourth proportional to 448,012.23, 670,911.86 and 333,886.37 is: 500,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,012.23 : 670,911.86 = 333,886.37 : x
  2. Step 2: Convert to fraction form
    448,012.23/670,911.86 = 333,886.37/x
  3. Step 3: Cross multiply
    448,012.23x = 670,911.86 × 333,886.37
  4. Step 4: Simplify right side
    448,012.23x = 224,008,324,686.71
  5. Step 5: Solve for x
    x = 224,008,324,686.71/448,012.23
  6. Step 6: Final answer
    x = 500,004.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.