Finding the Fourth Proportional to 896,278.34, 1,236,848.09 and 488,383.70
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Solution
The fourth proportional to 896,278.34, 1,236,848.09 and 488,383.70 is: 673,960.78
Step by Step Solution
- Step 1: Write the proportion equation
896,278.34 : 1,236,848.09 = 488,383.70 : x - Step 2: Convert to fraction form
896,278.34/1,236,848.09 = 488,383.70/x - Step 3: Cross multiply
896,278.34x = 1,236,848.09 × 488,383.70 - Step 4: Simplify right side
896,278.34x = 604,056,446,532.13 - Step 5: Solve for x
x = 604,056,446,532.13/896,278.34 - Step 6: Final answer
x = 673,960.78
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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.