Finding the Fourth Proportional to 895,685.84, 1,236,000.84 and 493,200.08
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Solution
The fourth proportional to 895,685.84, 1,236,000.84 and 493,200.08 is: 680,590.99
Step by Step Solution
- Step 1: Write the proportion equation
895,685.84 : 1,236,000.84 = 493,200.08 : x - Step 2: Convert to fraction form
895,685.84/1,236,000.84 = 493,200.08/x - Step 3: Cross multiply
895,685.84x = 1,236,000.84 × 493,200.08 - Step 4: Simplify right side
895,685.84x = 609,595,713,168.07 - Step 5: Solve for x
x = 609,595,713,168.07/895,685.84 - Step 6: Final answer
x = 680,590.99
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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.