Finding the Fourth Proportional to 832,865.36, 1,249,531.32 and 334,579.28
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Solution
The fourth proportional to 832,865.36, 1,249,531.32 and 334,579.28 is: 501,962.63
Step by Step Solution
- Step 1: Write the proportion equation
832,865.36 : 1,249,531.32 = 334,579.28 : x - Step 2: Convert to fraction form
832,865.36/1,249,531.32 = 334,579.28/x - Step 3: Cross multiply
832,865.36x = 1,249,531.32 × 334,579.28 - Step 4: Simplify right side
832,865.36x = 418,067,289,383.05 - Step 5: Solve for x
x = 418,067,289,383.05/832,865.36 - Step 6: Final answer
x = 501,962.63
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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.