Finding the Fourth Proportional to 1,238,228.10, 1,857,347.62 and 339,680.02
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Solution
The fourth proportional to 1,238,228.10, 1,857,347.62 and 339,680.02 is: 509,521.53
Step by Step Solution
- Step 1: Write the proportion equation
1,238,228.10 : 1,857,347.62 = 339,680.02 : x - Step 2: Convert to fraction form
1,238,228.10/1,857,347.62 = 339,680.02/x - Step 3: Cross multiply
1,238,228.10x = 1,857,347.62 × 339,680.02 - Step 4: Simplify right side
1,238,228.10x = 630,903,874,236.14 - Step 5: Solve for x
x = 630,903,874,236.14/1,238,228.10 - Step 6: Final answer
x = 509,521.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.