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Finding the Fourth Proportional to 536,802.72, 740,778.93 and 295,080.09

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Solution

The fourth proportional to 536,802.72, 740,778.93 and 295,080.09 is: 407,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,802.72 : 740,778.93 = 295,080.09 : x
  2. Step 2: Convert to fraction form
    536,802.72/740,778.93 = 295,080.09/x
  3. Step 3: Cross multiply
    536,802.72x = 740,778.93 × 295,080.09
  4. Step 4: Simplify right side
    536,802.72x = 218,589,113,334.50
  5. Step 5: Solve for x
    x = 218,589,113,334.50/536,802.72
  6. Step 6: Final answer
    x = 407,205.67

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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.