Finding the Fourth Proportional to 847,312.49, 1,270,979.01 and 248,285.80
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Solution
The fourth proportional to 847,312.49, 1,270,979.01 and 248,285.80 is: 372,431.70
Step by Step Solution
- Step 1: Write the proportion equation
847,312.49 : 1,270,979.01 = 248,285.80 : x - Step 2: Convert to fraction form
847,312.49/1,270,979.01 = 248,285.80/x - Step 3: Cross multiply
847,312.49x = 1,270,979.01 × 248,285.80 - Step 4: Simplify right side
847,312.49x = 315,566,032,684.73 - Step 5: Solve for x
x = 315,566,032,684.73/847,312.49 - Step 6: Final answer
x = 372,431.70
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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.