Finding the Fourth Proportional to 946,888.49, 1,305,840.69 and 740,184.19
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Solution
The fourth proportional to 946,888.49, 1,305,840.69 and 740,184.19 is: 1,020,777.67
Step by Step Solution
- Step 1: Write the proportion equation
946,888.49 : 1,305,840.69 = 740,184.19 : x - Step 2: Convert to fraction form
946,888.49/1,305,840.69 = 740,184.19/x - Step 3: Cross multiply
946,888.49x = 1,305,840.69 × 740,184.19 - Step 4: Simplify right side
946,888.49x = 966,562,630,132.09 - Step 5: Solve for x
x = 966,562,630,132.09/946,888.49 - Step 6: Final answer
x = 1,020,777.67
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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.