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Finding the Fourth Proportional to 602,037.30, 830,819.49 and 330,104.49

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Solution

The fourth proportional to 602,037.30, 830,819.49 and 330,104.49 is: 455,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,037.30 : 830,819.49 = 330,104.49 : x
  2. Step 2: Convert to fraction form
    602,037.30/830,819.49 = 330,104.49/x
  3. Step 3: Cross multiply
    602,037.30x = 830,819.49 × 330,104.49
  4. Step 4: Simplify right side
    602,037.30x = 274,257,244,028.51
  5. Step 5: Solve for x
    x = 274,257,244,028.51/602,037.30
  6. Step 6: Final answer
    x = 455,548.59

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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.