Finding the Fourth Proportional to 828,237.95, 1,242,320.79 and 259,606.08
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Solution
The fourth proportional to 828,237.95, 1,242,320.79 and 259,606.08 is: 389,397.79
Step by Step Solution
- Step 1: Write the proportion equation
828,237.95 : 1,242,320.79 = 259,606.08 : x - Step 2: Convert to fraction form
828,237.95/1,242,320.79 = 259,606.08/x - Step 3: Cross multiply
828,237.95x = 1,242,320.79 × 259,606.08 - Step 4: Simplify right side
828,237.95x = 322,514,030,394.40 - Step 5: Solve for x
x = 322,514,030,394.40/828,237.95 - Step 6: Final answer
x = 389,397.79
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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.