Finding the Fourth Proportional to 632,920.12, 873,430.83 and 342,531.95
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Solution
The fourth proportional to 632,920.12, 873,430.83 and 342,531.95 is: 472,694.66
Step by Step Solution
- Step 1: Write the proportion equation
632,920.12 : 873,430.83 = 342,531.95 : x - Step 2: Convert to fraction form
632,920.12/873,430.83 = 342,531.95/x - Step 3: Cross multiply
632,920.12x = 873,430.83 × 342,531.95 - Step 4: Simplify right side
632,920.12x = 299,177,959,738.37 - Step 5: Solve for x
x = 299,177,959,738.37/632,920.12 - Step 6: Final answer
x = 472,694.66
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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.