Finding the Fourth Proportional to 395,934.70, 593,902.05 and 390,029.80
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Solution
The fourth proportional to 395,934.70, 593,902.05 and 390,029.80 is: 585,044.70
Step by Step Solution
- Step 1: Write the proportion equation
395,934.70 : 593,902.05 = 390,029.80 : x - Step 2: Convert to fraction form
395,934.70/593,902.05 = 390,029.80/x - Step 3: Cross multiply
395,934.70x = 593,902.05 × 390,029.80 - Step 4: Simplify right side
395,934.70x = 231,639,497,781.09 - Step 5: Solve for x
x = 231,639,497,781.09/395,934.70 - Step 6: Final answer
x = 585,044.70
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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.