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Finding the Fourth Proportional to 850,277, 1,173,435.46 and 468,303.64

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Solution

The fourth proportional to 850,277, 1,173,435.46 and 468,303.64 is: 646,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,277 : 1,173,435.46 = 468,303.64 : x
  2. Step 2: Convert to fraction form
    850,277/1,173,435.46 = 468,303.64/x
  3. Step 3: Cross multiply
    850,277x = 1,173,435.46 × 468,303.64
  4. Step 4: Simplify right side
    850,277x = 549,524,097,223.07
  5. Step 5: Solve for x
    x = 549,524,097,223.07/850,277
  6. Step 6: Final answer
    x = 646,288.32

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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.