Finding the Fourth Proportional to 830,717.06, 1,146,390.57 and 448,743.84
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Solution
The fourth proportional to 830,717.06, 1,146,390.57 and 448,743.84 is: 619,267.06
Step by Step Solution
- Step 1: Write the proportion equation
830,717.06 : 1,146,390.57 = 448,743.84 : x - Step 2: Convert to fraction form
830,717.06/1,146,390.57 = 448,743.84/x - Step 3: Cross multiply
830,717.06x = 1,146,390.57 × 448,743.84 - Step 4: Simplify right side
830,717.06x = 514,435,706,521.59 - Step 5: Solve for x
x = 514,435,706,521.59/830,717.06 - Step 6: Final answer
x = 619,267.06
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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.