Finding the Fourth Proportional to 621,560.68, 857,510.82 and 349,566.19
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Solution
The fourth proportional to 621,560.68, 857,510.82 and 349,566.19 is: 482,264.72
Step by Step Solution
- Step 1: Write the proportion equation
621,560.68 : 857,510.82 = 349,566.19 : x - Step 2: Convert to fraction form
621,560.68/857,510.82 = 349,566.19/x - Step 3: Cross multiply
621,560.68x = 857,510.82 × 349,566.19 - Step 4: Simplify right side
621,560.68x = 299,756,790,231.18 - Step 5: Solve for x
x = 299,756,790,231.18/621,560.68 - Step 6: Final answer
x = 482,264.72
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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.