Finding the Fourth Proportional to 651,233.79, 898,730.51 and 379,257.80
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Solution
The fourth proportional to 651,233.79, 898,730.51 and 379,257.80 is: 523,391.99
Step by Step Solution
- Step 1: Write the proportion equation
651,233.79 : 898,730.51 = 379,257.80 : x - Step 2: Convert to fraction form
651,233.79/898,730.51 = 379,257.80/x - Step 3: Cross multiply
651,233.79x = 898,730.51 × 379,257.80 - Step 4: Simplify right side
651,233.79x = 340,850,549,625.54 - Step 5: Solve for x
x = 340,850,549,625.54/651,233.79 - Step 6: Final answer
x = 523,391.99
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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.