Finding the Fourth Proportional to 555,702.68, 766,587.84 and 351,409.34
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Solution
The fourth proportional to 555,702.68, 766,587.84 and 351,409.34 is: 484,766.65
Step by Step Solution
- Step 1: Write the proportion equation
555,702.68 : 766,587.84 = 351,409.34 : x - Step 2: Convert to fraction form
555,702.68/766,587.84 = 351,409.34/x - Step 3: Cross multiply
555,702.68x = 766,587.84 × 351,409.34 - Step 4: Simplify right side
555,702.68x = 269,386,126,906.43 - Step 5: Solve for x
x = 269,386,126,906.43/555,702.68 - Step 6: Final answer
x = 484,766.65
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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.