Finding the Fourth Proportional to 809,565.51, 1,117,244.16 and 446,988.26
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Solution
The fourth proportional to 809,565.51, 1,117,244.16 and 446,988.26 is: 616,867.95
Step by Step Solution
- Step 1: Write the proportion equation
809,565.51 : 1,117,244.16 = 446,988.26 : x - Step 2: Convert to fraction form
809,565.51/1,117,244.16 = 446,988.26/x - Step 3: Cross multiply
809,565.51x = 1,117,244.16 × 446,988.26 - Step 4: Simplify right side
809,565.51x = 499,395,017,487.34 - Step 5: Solve for x
x = 499,395,017,487.34/809,565.51 - Step 6: Final answer
x = 616,867.95
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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.