Home / 864,346.54-1,296,522.89-265,307.75

Finding the Fourth Proportional to 864,346.54, 1,296,522.89 and 265,307.75

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Solution

The fourth proportional to 864,346.54, 1,296,522.89 and 265,307.75 is: 397,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,346.54 : 1,296,522.89 = 265,307.75 : x
  2. Step 2: Convert to fraction form
    864,346.54/1,296,522.89 = 265,307.75/x
  3. Step 3: Cross multiply
    864,346.54x = 1,296,522.89 × 265,307.75
  4. Step 4: Simplify right side
    864,346.54x = 343,977,570,769.40
  5. Step 5: Solve for x
    x = 343,977,570,769.40/864,346.54
  6. Step 6: Final answer
    x = 397,962.57

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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.