Finding the Fourth Proportional to 792,951.57, 1,092,764.75 and 778,378.05
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Solution
The fourth proportional to 792,951.57, 1,092,764.75 and 778,378.05 is: 1,072,681.02
Step by Step Solution
- Step 1: Write the proportion equation
792,951.57 : 1,092,764.75 = 778,378.05 : x - Step 2: Convert to fraction form
792,951.57/1,092,764.75 = 778,378.05/x - Step 3: Cross multiply
792,951.57x = 1,092,764.75 × 778,378.05 - Step 4: Simplify right side
792,951.57x = 850,584,095,213.74 - Step 5: Solve for x
x = 850,584,095,213.74/792,951.57 - Step 6: Final answer
x = 1,072,681.02
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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.