Finding the Fourth Proportional to 767,826.18, 1,151,247.17 and 318,856.95
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Solution
The fourth proportional to 767,826.18, 1,151,247.17 and 318,856.95 is: 478,081.07
Step by Step Solution
- Step 1: Write the proportion equation
767,826.18 : 1,151,247.17 = 318,856.95 : x - Step 2: Convert to fraction form
767,826.18/1,151,247.17 = 318,856.95/x - Step 3: Cross multiply
767,826.18x = 1,151,247.17 × 318,856.95 - Step 4: Simplify right side
767,826.18x = 367,083,159,728.05 - Step 5: Solve for x
x = 367,083,159,728.05/767,826.18 - Step 6: Final answer
x = 478,081.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.