Finding the Fourth Proportional to 549,529.97, 758,721.46 and 343,112.68
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Solution
The fourth proportional to 549,529.97, 758,721.46 and 343,112.68 is: 473,726.58
Step by Step Solution
- Step 1: Write the proportion equation
549,529.97 : 758,721.46 = 343,112.68 : x - Step 2: Convert to fraction form
549,529.97/758,721.46 = 343,112.68/x - Step 3: Cross multiply
549,529.97x = 758,721.46 × 343,112.68 - Step 4: Simplify right side
549,529.97x = 260,326,955,416.97 - Step 5: Solve for x
x = 260,326,955,416.97/549,529.97 - Step 6: Final answer
x = 473,726.58
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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.