Home / 807,715.80-1,208,949.30-629,256.60

Finding the Fourth Proportional to 807,715.80, 1,208,949.30 and 629,256.60

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Solution

The fourth proportional to 807,715.80, 1,208,949.30 and 629,256.60 is: 941,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,715.80 : 1,208,949.30 = 629,256.60 : x
  2. Step 2: Convert to fraction form
    807,715.80/1,208,949.30 = 629,256.60/x
  3. Step 3: Cross multiply
    807,715.80x = 1,208,949.30 × 629,256.60
  4. Step 4: Simplify right side
    807,715.80x = 760,739,326,090.38
  5. Step 5: Solve for x
    x = 760,739,326,090.38/807,715.80
  6. Step 6: Final answer
    x = 941,840.34

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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.