Finding the Fourth Proportional to 942,582.18, 1,301,049.09 and 640,951.14
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Solution
The fourth proportional to 942,582.18, 1,301,049.09 and 640,951.14 is: 884,706.84
Step by Step Solution
- Step 1: Write the proportion equation
942,582.18 : 1,301,049.09 = 640,951.14 : x - Step 2: Convert to fraction form
942,582.18/1,301,049.09 = 640,951.14/x - Step 3: Cross multiply
942,582.18x = 1,301,049.09 × 640,951.14 - Step 4: Simplify right side
942,582.18x = 833,908,897,431.46 - Step 5: Solve for x
x = 833,908,897,431.46/942,582.18 - Step 6: Final answer
x = 884,706.84
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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.