Finding the Fourth Proportional to 855,811.42, 1,181,056.66 and 473,838.19
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Solution
The fourth proportional to 855,811.42, 1,181,056.66 and 473,838.19 is: 653,917.13
Step by Step Solution
- Step 1: Write the proportion equation
855,811.42 : 1,181,056.66 = 473,838.19 : x - Step 2: Convert to fraction form
855,811.42/1,181,056.66 = 473,838.19/x - Step 3: Cross multiply
855,811.42x = 1,181,056.66 × 473,838.19 - Step 4: Simplify right side
855,811.42x = 559,629,745,924.61 - Step 5: Solve for x
x = 559,629,745,924.61/855,811.42 - Step 6: Final answer
x = 653,917.13
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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.