Home / 529,619.60-794,429.40-305,670.80

Finding the Fourth Proportional to 529,619.60, 794,429.40 and 305,670.80

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Solution

The fourth proportional to 529,619.60, 794,429.40 and 305,670.80 is: 458,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,619.60 : 794,429.40 = 305,670.80 : x
  2. Step 2: Convert to fraction form
    529,619.60/794,429.40 = 305,670.80/x
  3. Step 3: Cross multiply
    529,619.60x = 794,429.40 × 305,670.80
  4. Step 4: Simplify right side
    529,619.60x = 242,833,870,241.52
  5. Step 5: Solve for x
    x = 242,833,870,241.52/529,619.60
  6. Step 6: Final answer
    x = 458,506.20

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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.