Finding the Fourth Proportional to 807,305.36, 1,106,013.86 and 777,037.52
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Solution
The fourth proportional to 807,305.36, 1,106,013.86 and 777,037.52 is: 1,064,546.71
Step by Step Solution
- Step 1: Write the proportion equation
807,305.36 : 1,106,013.86 = 777,037.52 : x - Step 2: Convert to fraction form
807,305.36/1,106,013.86 = 777,037.52/x - Step 3: Cross multiply
807,305.36x = 1,106,013.86 × 777,037.52 - Step 4: Simplify right side
807,305.36x = 859,414,266,860.03 - Step 5: Solve for x
x = 859,414,266,860.03/807,305.36 - Step 6: Final answer
x = 1,064,546.71
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.