Finding the Fourth Proportional to 972,661.05, 1,458,645.98 and 440,437.05
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Solution
The fourth proportional to 972,661.05, 1,458,645.98 and 440,437.05 is: 660,499.08
Step by Step Solution
- Step 1: Write the proportion equation
972,661.05 : 1,458,645.98 = 440,437.05 : x - Step 2: Convert to fraction form
972,661.05/1,458,645.98 = 440,437.05/x - Step 3: Cross multiply
972,661.05x = 1,458,645.98 × 440,437.05 - Step 4: Simplify right side
972,661.05x = 642,441,730,223.37 - Step 5: Solve for x
x = 642,441,730,223.37/972,661.05 - Step 6: Final answer
x = 660,499.08
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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.