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Finding the Fourth Proportional to 602,037.03, 830,820.74 and 330,129.75

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Solution

The fourth proportional to 602,037.03, 830,820.74 and 330,129.75 is: 455,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,037.03 : 830,820.74 = 330,129.75 : x
  2. Step 2: Convert to fraction form
    602,037.03/830,820.74 = 330,129.75/x
  3. Step 3: Cross multiply
    602,037.03x = 830,820.74 × 330,129.75
  4. Step 4: Simplify right side
    602,037.03x = 274,278,641,540.37
  5. Step 5: Solve for x
    x = 274,278,641,540.37/602,037.03
  6. Step 6: Final answer
    x = 455,584.34

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Double scale
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Similar ratio
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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.