Finding the Fourth Proportional to 615,746.05, 849,743.97 and 343,804.75
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Solution
The fourth proportional to 615,746.05, 849,743.97 and 343,804.75 is: 474,458.61
Step by Step Solution
- Step 1: Write the proportion equation
615,746.05 : 849,743.97 = 343,804.75 : x - Step 2: Convert to fraction form
615,746.05/849,743.97 = 343,804.75/x - Step 3: Cross multiply
615,746.05x = 849,743.97 × 343,804.75 - Step 4: Simplify right side
615,746.05x = 292,146,013,169.86 - Step 5: Solve for x
x = 292,146,013,169.86/615,746.05 - Step 6: Final answer
x = 474,458.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.