Finding the Fourth Proportional to 901,027.56, 1,243,557.68 and 513,843.80
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Solution
The fourth proportional to 901,027.56, 1,243,557.68 and 513,843.80 is: 709,184.08
Step by Step Solution
- Step 1: Write the proportion equation
901,027.56 : 1,243,557.68 = 513,843.80 : x - Step 2: Convert to fraction form
901,027.56/1,243,557.68 = 513,843.80/x - Step 3: Cross multiply
901,027.56x = 1,243,557.68 × 513,843.80 - Step 4: Simplify right side
901,027.56x = 638,994,403,810.38 - Step 5: Solve for x
x = 638,994,403,810.38/901,027.56 - Step 6: Final answer
x = 709,184.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.