Finding the Fourth Proportional to 630,371.88, 869,912.06 and 343,891.98
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Solution
The fourth proportional to 630,371.88, 869,912.06 and 343,891.98 is: 474,570.31
Step by Step Solution
- Step 1: Write the proportion equation
630,371.88 : 869,912.06 = 343,891.98 : x - Step 2: Convert to fraction form
630,371.88/869,912.06 = 343,891.98/x - Step 3: Cross multiply
630,371.88x = 869,912.06 × 343,891.98 - Step 4: Simplify right side
630,371.88x = 299,155,779,019.82 - Step 5: Solve for x
x = 299,155,779,019.82/630,371.88 - Step 6: Final answer
x = 474,570.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.