Home / 850,157.70-1,173,194.80-462,965.40

Finding the Fourth Proportional to 850,157.70, 1,173,194.80 and 462,965.40

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Solution

The fourth proportional to 850,157.70, 1,173,194.80 and 462,965.40 is: 638,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,157.70 : 1,173,194.80 = 462,965.40 : x
  2. Step 2: Convert to fraction form
    850,157.70/1,173,194.80 = 462,965.40/x
  3. Step 3: Cross multiply
    850,157.70x = 1,173,194.80 × 462,965.40
  4. Step 4: Simplify right side
    850,157.70x = 543,148,593,993.95
  5. Step 5: Solve for x
    x = 543,148,593,993.95/850,157.70
  6. Step 6: Final answer
    x = 638,879.82

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1.5x scale

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.