Finding the Fourth Proportional to 630,716.97, 945,655.05 and 306,418.59
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Solution
The fourth proportional to 630,716.97, 945,655.05 and 306,418.59 is: 459,423.65
Step by Step Solution
- Step 1: Write the proportion equation
630,716.97 : 945,655.05 = 306,418.59 : x - Step 2: Convert to fraction form
630,716.97/945,655.05 = 306,418.59/x - Step 3: Cross multiply
630,716.97x = 945,655.05 × 306,418.59 - Step 4: Simplify right side
630,716.97x = 289,766,287,047.38 - Step 5: Solve for x
x = 289,766,287,047.38/630,716.97 - Step 6: Final answer
x = 459,423.65
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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.