Finding the Fourth Proportional to 857,461.95, 1,183,370.18 and 475,611.75
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Solution
The fourth proportional to 857,461.95, 1,183,370.18 and 475,611.75 is: 656,384.53
Step by Step Solution
- Step 1: Write the proportion equation
857,461.95 : 1,183,370.18 = 475,611.75 : x - Step 2: Convert to fraction form
857,461.95/1,183,370.18 = 475,611.75/x - Step 3: Cross multiply
857,461.95x = 1,183,370.18 × 475,611.75 - Step 4: Simplify right side
857,461.95x = 562,824,759,829.56 - Step 5: Solve for x
x = 562,824,759,829.56/857,461.95 - Step 6: Final answer
x = 656,384.53
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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.