Finding the Fourth Proportional to 759,632.68, 1,045,893.54 and 668,927.08
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Solution
The fourth proportional to 759,632.68, 1,045,893.54 and 668,927.08 is: 921,006.34
Step by Step Solution
- Step 1: Write the proportion equation
759,632.68 : 1,045,893.54 = 668,927.08 : x - Step 2: Convert to fraction form
759,632.68/1,045,893.54 = 668,927.08/x - Step 3: Cross multiply
759,632.68x = 1,045,893.54 × 668,927.08 - Step 4: Simplify right side
759,632.68x = 699,626,511,703.06 - Step 5: Solve for x
x = 699,626,511,703.06/759,632.68 - Step 6: Final answer
x = 921,006.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.