Finding the Fourth Proportional to 974,660.20, 1,461,990.30 and 413,621.80
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Solution
The fourth proportional to 974,660.20, 1,461,990.30 and 413,621.80 is: 620,432.70
Step by Step Solution
- Step 1: Write the proportion equation
974,660.20 : 1,461,990.30 = 413,621.80 : x - Step 2: Convert to fraction form
974,660.20/1,461,990.30 = 413,621.80/x - Step 3: Cross multiply
974,660.20x = 1,461,990.30 × 413,621.80 - Step 4: Simplify right side
974,660.20x = 604,711,059,468.54 - Step 5: Solve for x
x = 604,711,059,468.54/974,660.20 - Step 6: Final answer
x = 620,432.70
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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.