Home / 863,857.36-1,296,160.28-464,031.64

Finding the Fourth Proportional to 863,857.36, 1,296,160.28 and 464,031.64

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Solution

The fourth proportional to 863,857.36, 1,296,160.28 and 464,031.64 is: 696,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,857.36 : 1,296,160.28 = 464,031.64 : x
  2. Step 2: Convert to fraction form
    863,857.36/1,296,160.28 = 464,031.64/x
  3. Step 3: Cross multiply
    863,857.36x = 1,296,160.28 × 464,031.64
  4. Step 4: Simplify right side
    863,857.36x = 601,459,380,431.26
  5. Step 5: Solve for x
    x = 601,459,380,431.26/863,857.36
  6. Step 6: Final answer
    x = 696,248.49

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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.