Finding the Fourth Proportional to 855,921.35, 1,181,171.36 and 473,948.12
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Solution
The fourth proportional to 855,921.35, 1,181,171.36 and 473,948.12 is: 654,048.34
Step by Step Solution
- Step 1: Write the proportion equation
855,921.35 : 1,181,171.36 = 473,948.12 : x - Step 2: Convert to fraction form
855,921.35/1,181,171.36 = 473,948.12/x - Step 3: Cross multiply
855,921.35x = 1,181,171.36 × 473,948.12 - Step 4: Simplify right side
855,921.35x = 559,813,937,194.25 - Step 5: Solve for x
x = 559,813,937,194.25/855,921.35 - Step 6: Final answer
x = 654,048.34
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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.