Finding the Fourth Proportional to 885,691.56, 1,328,748.15 and 286,652.73
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Solution
The fourth proportional to 885,691.56, 1,328,748.15 and 286,652.73 is: 430,047.32
Step by Step Solution
- Step 1: Write the proportion equation
885,691.56 : 1,328,748.15 = 286,652.73 : x - Step 2: Convert to fraction form
885,691.56/1,328,748.15 = 286,652.73/x - Step 3: Cross multiply
885,691.56x = 1,328,748.15 × 286,652.73 - Step 4: Simplify right side
885,691.56x = 380,889,284,679.95 - Step 5: Solve for x
x = 380,889,284,679.95/885,691.56 - Step 6: Final answer
x = 430,047.32
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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.