Finding the Fourth Proportional to 817,591.74, 1,226,393.09 and 285,110.70
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Solution
The fourth proportional to 817,591.74, 1,226,393.09 and 285,110.70 is: 427,667.96
Step by Step Solution
- Step 1: Write the proportion equation
817,591.74 : 1,226,393.09 = 285,110.70 : x - Step 2: Convert to fraction form
817,591.74/1,226,393.09 = 285,110.70/x - Step 3: Cross multiply
817,591.74x = 1,226,393.09 × 285,110.70 - Step 4: Simplify right side
817,591.74x = 349,657,790,939.51 - Step 5: Solve for x
x = 349,657,790,939.51/817,591.74 - Step 6: Final answer
x = 427,667.96
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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.