Finding the Fourth Proportional to 891,847.34, 1,230,234.61 and 569,193.76
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Solution
The fourth proportional to 891,847.34, 1,230,234.61 and 569,193.76 is: 785,158.88
Step by Step Solution
- Step 1: Write the proportion equation
891,847.34 : 1,230,234.61 = 569,193.76 : x - Step 2: Convert to fraction form
891,847.34/1,230,234.61 = 569,193.76/x - Step 3: Cross multiply
891,847.34x = 1,230,234.61 × 569,193.76 - Step 4: Simplify right side
891,847.34x = 700,241,858,849.46 - Step 5: Solve for x
x = 700,241,858,849.46/891,847.34 - Step 6: Final answer
x = 785,158.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.