Home / 777,798.20-1,166,006.10-511,686.20

Finding the Fourth Proportional to 777,798.20, 1,166,006.10 and 511,686.20

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Solution

The fourth proportional to 777,798.20, 1,166,006.10 and 511,686.20 is: 767,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,798.20 : 1,166,006.10 = 511,686.20 : x
  2. Step 2: Convert to fraction form
    777,798.20/1,166,006.10 = 511,686.20/x
  3. Step 3: Cross multiply
    777,798.20x = 1,166,006.10 × 511,686.20
  4. Step 4: Simplify right side
    777,798.20x = 596,629,230,485.82
  5. Step 5: Solve for x
    x = 596,629,230,485.82/777,798.20
  6. Step 6: Final answer
    x = 767,074.58

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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.