Finding the Fourth Proportional to 745,921.95, 1,118,874.66 and 446,486.10
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Solution
The fourth proportional to 745,921.95, 1,118,874.66 and 446,486.10 is: 669,724.20
Step by Step Solution
- Step 1: Write the proportion equation
745,921.95 : 1,118,874.66 = 446,486.10 : x - Step 2: Convert to fraction form
745,921.95/1,118,874.66 = 446,486.10/x - Step 3: Cross multiply
745,921.95x = 1,118,874.66 × 446,486.10 - Step 4: Simplify right side
745,921.95x = 499,561,983,332.23 - Step 5: Solve for x
x = 499,561,983,332.23/745,921.95 - Step 6: Final answer
x = 669,724.20
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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.