Finding the Fourth Proportional to 935,690.79, 1,403,287.11 and 261,730.29
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Solution
The fourth proportional to 935,690.79, 1,403,287.11 and 261,730.29 is: 392,525.76
Step by Step Solution
- Step 1: Write the proportion equation
935,690.79 : 1,403,287.11 = 261,730.29 : x - Step 2: Convert to fraction form
935,690.79/1,403,287.11 = 261,730.29/x - Step 3: Cross multiply
935,690.79x = 1,403,287.11 × 261,730.29 - Step 4: Simplify right side
935,690.79x = 367,282,742,253.56 - Step 5: Solve for x
x = 367,282,742,253.56/935,690.79 - Step 6: Final answer
x = 392,525.76
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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.