Finding the Fourth Proportional to 985,364.70, 1,475,973.45 and 819,476.70
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Solution
The fourth proportional to 985,364.70, 1,475,973.45 and 819,476.70 is: 1,227,490.54
Step by Step Solution
- Step 1: Write the proportion equation
985,364.70 : 1,475,973.45 = 819,476.70 : x - Step 2: Convert to fraction form
985,364.70/1,475,973.45 = 819,476.70/x - Step 3: Cross multiply
985,364.70x = 1,475,973.45 × 819,476.70 - Step 4: Simplify right side
985,364.70x = 1,209,525,852,093.62 - Step 5: Solve for x
x = 1,209,525,852,093.62/985,364.70 - Step 6: Final answer
x = 1,227,490.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.