Finding the Fourth Proportional to 842,594.73, 1,263,901.35 and 243,561.09
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Solution
The fourth proportional to 842,594.73, 1,263,901.35 and 243,561.09 is: 365,344.31
Step by Step Solution
- Step 1: Write the proportion equation
842,594.73 : 1,263,901.35 = 243,561.09 : x - Step 2: Convert to fraction form
842,594.73/1,263,901.35 = 243,561.09/x - Step 3: Cross multiply
842,594.73x = 1,263,901.35 × 243,561.09 - Step 4: Simplify right side
842,594.73x = 307,837,190,458.47 - Step 5: Solve for x
x = 307,837,190,458.47/842,594.73 - Step 6: Final answer
x = 365,344.31
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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.