Home / 777,795.90-1,166,693.85-216,830.40

Finding the Fourth Proportional to 777,795.90, 1,166,693.85 and 216,830.40

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Solution

The fourth proportional to 777,795.90, 1,166,693.85 and 216,830.40 is: 325,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,795.90 : 1,166,693.85 = 216,830.40 : x
  2. Step 2: Convert to fraction form
    777,795.90/1,166,693.85 = 216,830.40/x
  3. Step 3: Cross multiply
    777,795.90x = 1,166,693.85 × 216,830.40
  4. Step 4: Simplify right side
    777,795.90x = 252,974,694,173.04
  5. Step 5: Solve for x
    x = 252,974,694,173.04/777,795.90
  6. Step 6: Final answer
    x = 325,245.60

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Similar ratio
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1.5x scale

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.