Finding the Fourth Proportional to 977,509.94, 1,466,469.02 and 303,573.74
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Solution
The fourth proportional to 977,509.94, 1,466,469.02 and 303,573.74 is: 455,423.99
Step by Step Solution
- Step 1: Write the proportion equation
977,509.94 : 1,466,469.02 = 303,573.74 : x - Step 2: Convert to fraction form
977,509.94/1,466,469.02 = 303,573.74/x - Step 3: Cross multiply
977,509.94x = 1,466,469.02 × 303,573.74 - Step 4: Simplify right side
977,509.94x = 445,181,478,422.12 - Step 5: Solve for x
x = 445,181,478,422.12/977,509.94 - Step 6: Final answer
x = 455,423.99
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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.