Home / 730,578.60-1,095,090.30-281,125.80

Finding the Fourth Proportional to 730,578.60, 1,095,090.30 and 281,125.80

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Solution

The fourth proportional to 730,578.60, 1,095,090.30 and 281,125.80 is: 421,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,578.60 : 1,095,090.30 = 281,125.80 : x
  2. Step 2: Convert to fraction form
    730,578.60/1,095,090.30 = 281,125.80/x
  3. Step 3: Cross multiply
    730,578.60x = 1,095,090.30 × 281,125.80
  4. Step 4: Simplify right side
    730,578.60x = 307,858,136,659.74
  5. Step 5: Solve for x
    x = 307,858,136,659.74/730,578.60
  6. Step 6: Final answer
    x = 421,389.48

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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.