Finding the Fourth Proportional to 977,612.15, 1,466,512.49 and 303,512.45
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Solution
The fourth proportional to 977,612.15, 1,466,512.49 and 303,512.45 is: 455,297.95
Step by Step Solution
- Step 1: Write the proportion equation
977,612.15 : 1,466,512.49 = 303,512.45 : x - Step 2: Convert to fraction form
977,612.15/1,466,512.49 = 303,512.45/x - Step 3: Cross multiply
977,612.15x = 1,466,512.49 × 303,512.45 - Step 4: Simplify right side
977,612.15x = 445,104,806,657.69 - Step 5: Solve for x
x = 445,104,806,657.69/977,612.15 - Step 6: Final answer
x = 455,297.95
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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.