Finding the Fourth Proportional to 896,262.85, 1,236,827.10 and 488,368.09
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Solution
The fourth proportional to 896,262.85, 1,236,827.10 and 488,368.09 is: 673,939.45
Step by Step Solution
- Step 1: Write the proportion equation
896,262.85 : 1,236,827.10 = 488,368.09 : x - Step 2: Convert to fraction form
896,262.85/1,236,827.10 = 488,368.09/x - Step 3: Cross multiply
896,262.85x = 1,236,827.10 × 488,368.09 - Step 4: Simplify right side
896,262.85x = 604,026,888,487.24 - Step 5: Solve for x
x = 604,026,888,487.24/896,262.85 - Step 6: Final answer
x = 673,939.45
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1.5x scale
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.