Finding the Fourth Proportional to 809,403.05, 1,116,985.23 and 446,827.08
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Solution
The fourth proportional to 809,403.05, 1,116,985.23 and 446,827.08 is: 616,626.35
Step by Step Solution
- Step 1: Write the proportion equation
809,403.05 : 1,116,985.23 = 446,827.08 : x - Step 2: Convert to fraction form
809,403.05/1,116,985.23 = 446,827.08/x - Step 3: Cross multiply
809,403.05x = 1,116,985.23 × 446,827.08 - Step 4: Simplify right side
809,403.05x = 499,099,248,724.03 - Step 5: Solve for x
x = 499,099,248,724.03/809,403.05 - Step 6: Final answer
x = 616,626.35
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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.