Finding the Fourth Proportional to 778,257.74, 1,073,992.91 and 434,093.40
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Solution
The fourth proportional to 778,257.74, 1,073,992.91 and 434,093.40 is: 599,047.34
Step by Step Solution
- Step 1: Write the proportion equation
778,257.74 : 1,073,992.91 = 434,093.40 : x - Step 2: Convert to fraction form
778,257.74/1,073,992.91 = 434,093.40/x - Step 3: Cross multiply
778,257.74x = 1,073,992.91 × 434,093.40 - Step 4: Simplify right side
778,257.74x = 466,213,227,679.85 - Step 5: Solve for x
x = 466,213,227,679.85/778,257.74 - Step 6: Final answer
x = 599,047.34
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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.