Finding the Fourth Proportional to 830,657.18, 1,146,307.60 and 448,684.26
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Solution
The fourth proportional to 830,657.18, 1,146,307.60 and 448,684.26 is: 619,184.65
Step by Step Solution
- Step 1: Write the proportion equation
830,657.18 : 1,146,307.60 = 448,684.26 : x - Step 2: Convert to fraction form
830,657.18/1,146,307.60 = 448,684.26/x - Step 3: Cross multiply
830,657.18x = 1,146,307.60 × 448,684.26 - Step 4: Simplify right side
830,657.18x = 514,330,177,238.38 - Step 5: Solve for x
x = 514,330,177,238.38/830,657.18 - Step 6: Final answer
x = 619,184.65
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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.