Finding the Fourth Proportional to 764,891.24, 1,055,360.95 and 478,267.88
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Solution
The fourth proportional to 764,891.24, 1,055,360.95 and 478,267.88 is: 659,891.52
Step by Step Solution
- Step 1: Write the proportion equation
764,891.24 : 1,055,360.95 = 478,267.88 : x - Step 2: Convert to fraction form
764,891.24/1,055,360.95 = 478,267.88/x - Step 3: Cross multiply
764,891.24x = 1,055,360.95 × 478,267.88 - Step 4: Simplify right side
764,891.24x = 504,745,237,718.81 - Step 5: Solve for x
x = 504,745,237,718.81/764,891.24 - Step 6: Final answer
x = 659,891.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.