Finding the Fourth Proportional to 608,445.60, 910,918.80 and 372,249.60
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Solution
The fourth proportional to 608,445.60, 910,918.80 and 372,249.60 is: 557,303.99
Step by Step Solution
- Step 1: Write the proportion equation
608,445.60 : 910,918.80 = 372,249.60 : x - Step 2: Convert to fraction form
608,445.60/910,918.80 = 372,249.60/x - Step 3: Cross multiply
608,445.60x = 910,918.80 × 372,249.60 - Step 4: Simplify right side
608,445.60x = 339,089,158,932.48 - Step 5: Solve for x
x = 339,089,158,932.48/608,445.60 - Step 6: Final answer
x = 557,303.99
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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.