Home / 850,200.70-1,173,269.19-468,219.28

Finding the Fourth Proportional to 850,200.70, 1,173,269.19 and 468,219.28

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Solution

The fourth proportional to 850,200.70, 1,173,269.19 and 468,219.28 is: 646,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,200.70 : 1,173,269.19 = 468,219.28 : x
  2. Step 2: Convert to fraction form
    850,200.70/1,173,269.19 = 468,219.28/x
  3. Step 3: Cross multiply
    850,200.70x = 1,173,269.19 × 468,219.28
  4. Step 4: Simplify right side
    850,200.70x = 549,347,255,387.98
  5. Step 5: Solve for x
    x = 549,347,255,387.98/850,200.70
  6. Step 6: Final answer
    x = 646,138.32

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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.