Finding the Fourth Proportional to 855,944.76, 1,181,203.68 and 473,971.59
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Solution
The fourth proportional to 855,944.76, 1,181,203.68 and 473,971.59 is: 654,080.75
Step by Step Solution
- Step 1: Write the proportion equation
855,944.76 : 1,181,203.68 = 473,971.59 : x - Step 2: Convert to fraction form
855,944.76/1,181,203.68 = 473,971.59/x - Step 3: Cross multiply
855,944.76x = 1,181,203.68 × 473,971.59 - Step 4: Simplify right side
855,944.76x = 559,856,986,323.45 - Step 5: Solve for x
x = 559,856,986,323.45/855,944.76 - Step 6: Final answer
x = 654,080.75
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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.