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Finding the Fourth Proportional to 850,284, 1,173,445.12 and 468,310.64

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Solution

The fourth proportional to 850,284, 1,173,445.12 and 468,310.64 is: 646,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,284 : 1,173,445.12 = 468,310.64 : x
  2. Step 2: Convert to fraction form
    850,284/1,173,445.12 = 468,310.64/x
  3. Step 3: Cross multiply
    850,284x = 1,173,445.12 × 468,310.64
  4. Step 4: Simplify right side
    850,284x = 549,536,835,152.08
  5. Step 5: Solve for x
    x = 549,536,835,152.08/850,284
  6. Step 6: Final answer
    x = 646,297.98

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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.