Finding the Fourth Proportional to 970,541.70, 1,455,812.55 and 929,588.10
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Solution
The fourth proportional to 970,541.70, 1,455,812.55 and 929,588.10 is: 1,394,382.15
Step by Step Solution
- Step 1: Write the proportion equation
970,541.70 : 1,455,812.55 = 929,588.10 : x - Step 2: Convert to fraction form
970,541.70/1,455,812.55 = 929,588.10/x - Step 3: Cross multiply
970,541.70x = 1,455,812.55 × 929,588.10 - Step 4: Simplify right side
970,541.70x = 1,353,306,022,310.66 - Step 5: Solve for x
x = 1,353,306,022,310.66/970,541.70 - Step 6: Final answer
x = 1,394,382.15
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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.