Finding the Fourth Proportional to 398,959.08, 593,988.66 and 393,374.94
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Solution
The fourth proportional to 398,959.08, 593,988.66 and 393,374.94 is: 585,674.74
Step by Step Solution
- Step 1: Write the proportion equation
398,959.08 : 593,988.66 = 393,374.94 : x - Step 2: Convert to fraction form
398,959.08/593,988.66 = 393,374.94/x - Step 3: Cross multiply
398,959.08x = 593,988.66 × 393,374.94 - Step 4: Simplify right side
398,959.08x = 233,660,253,488.18 - Step 5: Solve for x
x = 233,660,253,488.18/398,959.08 - Step 6: Final answer
x = 585,674.74
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.