Finding the Fourth Proportional to 630,290.26, 869,806.11 and 343,811.62
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Solution
The fourth proportional to 630,290.26, 869,806.11 and 343,811.62 is: 474,463.06
Step by Step Solution
- Step 1: Write the proportion equation
630,290.26 : 869,806.11 = 343,811.62 : x - Step 2: Convert to fraction form
630,290.26/869,806.11 = 343,811.62/x - Step 3: Cross multiply
630,290.26x = 869,806.11 × 343,811.62 - Step 4: Simplify right side
630,290.26x = 299,049,447,765.00 - Step 5: Solve for x
x = 299,049,447,765.00/630,290.26 - Step 6: Final answer
x = 474,463.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.