Home / 879,960.52-1,317,540.38-666,080.12

Finding the Fourth Proportional to 879,960.52, 1,317,540.38 and 666,080.12

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Solution

The fourth proportional to 879,960.52, 1,317,540.38 and 666,080.12 is: 997,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,960.52 : 1,317,540.38 = 666,080.12 : x
  2. Step 2: Convert to fraction form
    879,960.52/1,317,540.38 = 666,080.12/x
  3. Step 3: Cross multiply
    879,960.52x = 1,317,540.38 × 666,080.12
  4. Step 4: Simplify right side
    879,960.52x = 877,587,459,978.19
  5. Step 5: Solve for x
    x = 877,587,459,978.19/879,960.52
  6. Step 6: Final answer
    x = 997,303.22

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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.