Home / 711,767.37-1,067,651.06-312,411.60

Finding the Fourth Proportional to 711,767.37, 1,067,651.06 and 312,411.60

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Solution

The fourth proportional to 711,767.37, 1,067,651.06 and 312,411.60 is: 468,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,767.37 : 1,067,651.06 = 312,411.60 : x
  2. Step 2: Convert to fraction form
    711,767.37/1,067,651.06 = 312,411.60/x
  3. Step 3: Cross multiply
    711,767.37x = 1,067,651.06 × 312,411.60
  4. Step 4: Simplify right side
    711,767.37x = 333,546,576,091.55
  5. Step 5: Solve for x
    x = 333,546,576,091.55/711,767.37
  6. Step 6: Final answer
    x = 468,617.40

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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.