Finding the Fourth Proportional to 970,181.82, 1,455,596.61 and 430,363.63
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Solution
The fourth proportional to 970,181.82, 1,455,596.61 and 430,363.63 is: 645,689.12
Step by Step Solution
- Step 1: Write the proportion equation
970,181.82 : 1,455,596.61 = 430,363.63 : x - Step 2: Convert to fraction form
970,181.82/1,455,596.61 = 430,363.63/x - Step 3: Cross multiply
970,181.82x = 1,455,596.61 × 430,363.63 - Step 4: Simplify right side
970,181.82x = 626,435,843,521.72 - Step 5: Solve for x
x = 626,435,843,521.72/970,181.82 - Step 6: Final answer
x = 645,689.12
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1.5x scale
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.