Home / 777,795.70-1,166,002.35-511,683.70

Finding the Fourth Proportional to 777,795.70, 1,166,002.35 and 511,683.70

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Solution

The fourth proportional to 777,795.70, 1,166,002.35 and 511,683.70 is: 767,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,795.70 : 1,166,002.35 = 511,683.70 : x
  2. Step 2: Convert to fraction form
    777,795.70/1,166,002.35 = 511,683.70/x
  3. Step 3: Cross multiply
    777,795.70x = 1,166,002.35 × 511,683.70
  4. Step 4: Simplify right side
    777,795.70x = 596,624,396,656.70
  5. Step 5: Solve for x
    x = 596,624,396,656.70/777,795.70
  6. Step 6: Final answer
    x = 767,070.83

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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.