Finding the Fourth Proportional to 771,549.87, 1,156,221.98 and 433,881.75
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Solution
The fourth proportional to 771,549.87, 1,156,221.98 and 433,881.75 is: 650,202.45
Step by Step Solution
- Step 1: Write the proportion equation
771,549.87 : 1,156,221.98 = 433,881.75 : x - Step 2: Convert to fraction form
771,549.87/1,156,221.98 = 433,881.75/x - Step 3: Cross multiply
771,549.87x = 1,156,221.98 × 433,881.75 - Step 4: Simplify right side
771,549.87x = 501,663,613,901.46 - Step 5: Solve for x
x = 501,663,613,901.46/771,549.87 - Step 6: Final answer
x = 650,202.45
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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.