Finding the Fourth Proportional to 865,955.97, 1,298,810.11 and 297,326.42
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Solution
The fourth proportional to 865,955.97, 1,298,810.11 and 297,326.42 is: 445,947.11
Step by Step Solution
- Step 1: Write the proportion equation
865,955.97 : 1,298,810.11 = 297,326.42 : x - Step 2: Convert to fraction form
865,955.97/1,298,810.11 = 297,326.42/x - Step 3: Cross multiply
865,955.97x = 1,298,810.11 × 297,326.42 - Step 4: Simplify right side
865,955.97x = 386,170,560,266.11 - Step 5: Solve for x
x = 386,170,560,266.11/865,955.97 - Step 6: Final answer
x = 445,947.11
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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.