Finding the Fourth Proportional to 745,876.56, 1,118,925.08 and 272,451.20
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Solution
The fourth proportional to 745,876.56, 1,118,925.08 and 272,451.20 is: 408,717.07
Step by Step Solution
- Step 1: Write the proportion equation
745,876.56 : 1,118,925.08 = 272,451.20 : x - Step 2: Convert to fraction form
745,876.56/1,118,925.08 = 272,451.20/x - Step 3: Cross multiply
745,876.56x = 1,118,925.08 × 272,451.20 - Step 4: Simplify right side
745,876.56x = 304,852,480,756.10 - Step 5: Solve for x
x = 304,852,480,756.10/745,876.56 - Step 6: Final answer
x = 408,717.07
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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.