Finding the Fourth Proportional to 633,492.18, 874,233.33 and 361,554.63
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Solution
The fourth proportional to 633,492.18, 874,233.33 and 361,554.63 is: 498,953.45
Step by Step Solution
- Step 1: Write the proportion equation
633,492.18 : 874,233.33 = 361,554.63 : x - Step 2: Convert to fraction form
633,492.18/874,233.33 = 361,554.63/x - Step 3: Cross multiply
633,492.18x = 874,233.33 × 361,554.63 - Step 4: Simplify right side
633,492.18x = 316,083,108,161.82 - Step 5: Solve for x
x = 316,083,108,161.82/633,492.18 - Step 6: Final answer
x = 498,953.45
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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.