Finding the Fourth Proportional to 745,160.04, 1,117,851.84 and 345,841.92
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Solution
The fourth proportional to 745,160.04, 1,117,851.84 and 345,841.92 is: 518,814.76
Step by Step Solution
- Step 1: Write the proportion equation
745,160.04 : 1,117,851.84 = 345,841.92 : x - Step 2: Convert to fraction form
745,160.04/1,117,851.84 = 345,841.92/x - Step 3: Cross multiply
745,160.04x = 1,117,851.84 × 345,841.92 - Step 4: Simplify right side
745,160.04x = 386,600,026,621.13 - Step 5: Solve for x
x = 386,600,026,621.13/745,160.04 - Step 6: Final answer
x = 518,814.76
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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.