Finding the Fourth Proportional to 1,145,394.78, 1,718,313.14 and 435,367.31
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Solution
The fourth proportional to 1,145,394.78, 1,718,313.14 and 435,367.31 is: 653,134.95
Step by Step Solution
- Step 1: Write the proportion equation
1,145,394.78 : 1,718,313.14 = 435,367.31 : x - Step 2: Convert to fraction form
1,145,394.78/1,718,313.14 = 435,367.31/x - Step 3: Cross multiply
1,145,394.78x = 1,718,313.14 × 435,367.31 - Step 4: Simplify right side
1,145,394.78x = 748,097,361,996.31 - Step 5: Solve for x
x = 748,097,361,996.31/1,145,394.78 - Step 6: Final answer
x = 653,134.95
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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.