Finding the Fourth Proportional to 986,231.70, 1,479,347.55 and 566,327.70
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Solution
The fourth proportional to 986,231.70, 1,479,347.55 and 566,327.70 is: 849,491.55
Step by Step Solution
- Step 1: Write the proportion equation
986,231.70 : 1,479,347.55 = 566,327.70 : x - Step 2: Convert to fraction form
986,231.70/1,479,347.55 = 566,327.70/x - Step 3: Cross multiply
986,231.70x = 1,479,347.55 × 566,327.70 - Step 4: Simplify right side
986,231.70x = 837,795,495,492.14 - Step 5: Solve for x
x = 837,795,495,492.14/986,231.70 - Step 6: Final answer
x = 849,491.55
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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.