Finding the Fourth Proportional to 896,000.12, 1,236,479.62 and 493,592.12
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Solution
The fourth proportional to 896,000.12, 1,236,479.62 and 493,592.12 is: 681,156.83
Step by Step Solution
- Step 1: Write the proportion equation
896,000.12 : 1,236,479.62 = 493,592.12 : x - Step 2: Convert to fraction form
896,000.12/1,236,479.62 = 493,592.12/x - Step 3: Cross multiply
896,000.12x = 1,236,479.62 × 493,592.12 - Step 4: Simplify right side
896,000.12x = 610,316,596,972.60 - Step 5: Solve for x
x = 610,316,596,972.60/896,000.12 - Step 6: Final answer
x = 681,156.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.