Finding the Fourth Proportional to 855,944.50, 1,181,202.66 and 473,971.26
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Solution
The fourth proportional to 855,944.50, 1,181,202.66 and 473,971.26 is: 654,079.92
Step by Step Solution
- Step 1: Write the proportion equation
855,944.50 : 1,181,202.66 = 473,971.26 : x - Step 2: Convert to fraction form
855,944.50/1,181,202.66 = 473,971.26/x - Step 3: Cross multiply
855,944.50x = 1,181,202.66 × 473,971.26 - Step 4: Simplify right side
855,944.50x = 559,856,113,075.55 - Step 5: Solve for x
x = 559,856,113,075.55/855,944.50 - Step 6: Final answer
x = 654,079.92
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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.