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Finding the Fourth Proportional to 585,450.88, 808,054.72 and 330,949.76

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Solution

The fourth proportional to 585,450.88, 808,054.72 and 330,949.76 is: 456,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,450.88 : 808,054.72 = 330,949.76 : x
  2. Step 2: Convert to fraction form
    585,450.88/808,054.72 = 330,949.76/x
  3. Step 3: Cross multiply
    585,450.88x = 808,054.72 × 330,949.76
  4. Step 4: Simplify right side
    585,450.88x = 267,425,515,650.87
  5. Step 5: Solve for x
    x = 267,425,515,650.87/585,450.88
  6. Step 6: Final answer
    x = 456,785.57

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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.