Finding the Fourth Proportional to 725,106.84, 1,087,815.90 and 304,140.12
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Solution
The fourth proportional to 725,106.84, 1,087,815.90 and 304,140.12 is: 456,275.46
Step by Step Solution
- Step 1: Write the proportion equation
725,106.84 : 1,087,815.90 = 304,140.12 : x - Step 2: Convert to fraction form
725,106.84/1,087,815.90 = 304,140.12/x - Step 3: Cross multiply
725,106.84x = 1,087,815.90 × 304,140.12 - Step 4: Simplify right side
725,106.84x = 330,848,458,363.91 - Step 5: Solve for x
x = 330,848,458,363.91/725,106.84 - Step 6: Final answer
x = 456,275.46
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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.