Finding the Fourth Proportional to 855,928.61, 1,181,166.99 and 473,947.19
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Solution
The fourth proportional to 855,928.61, 1,181,166.99 and 473,947.19 is: 654,039.09
Step by Step Solution
- Step 1: Write the proportion equation
855,928.61 : 1,181,166.99 = 473,947.19 : x - Step 2: Convert to fraction form
855,928.61/1,181,166.99 = 473,947.19/x - Step 3: Cross multiply
855,928.61x = 1,181,166.99 × 473,947.19 - Step 4: Simplify right side
855,928.61x = 559,810,769,925.42 - Step 5: Solve for x
x = 559,810,769,925.42/855,928.61 - Step 6: Final answer
x = 654,039.09
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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.