Finding the Fourth Proportional to 745,802.03, 1,118,865.05 and 272,486.63
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Solution
The fourth proportional to 745,802.03, 1,118,865.05 and 272,486.63 is: 408,789.13
Step by Step Solution
- Step 1: Write the proportion equation
745,802.03 : 1,118,865.05 = 272,486.63 : x - Step 2: Convert to fraction form
745,802.03/1,118,865.05 = 272,486.63/x - Step 3: Cross multiply
745,802.03x = 1,118,865.05 × 272,486.63 - Step 4: Simplify right side
745,802.03x = 304,875,759,942.52 - Step 5: Solve for x
x = 304,875,759,942.52/745,802.03 - Step 6: Final answer
x = 408,789.13
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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.