Finding the Fourth Proportional to 434,614.20, 651,921.30 and 392,623.80
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Solution
The fourth proportional to 434,614.20, 651,921.30 and 392,623.80 is: 588,935.70
Step by Step Solution
- Step 1: Write the proportion equation
434,614.20 : 651,921.30 = 392,623.80 : x - Step 2: Convert to fraction form
434,614.20/651,921.30 = 392,623.80/x - Step 3: Cross multiply
434,614.20x = 651,921.30 × 392,623.80 - Step 4: Simplify right side
434,614.20x = 255,959,818,106.94 - Step 5: Solve for x
x = 255,959,818,106.94/434,614.20 - Step 6: Final answer
x = 588,935.70
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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.