Finding the Fourth Proportional to 788,480.12, 1,088,116.17 and 466,245.74
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Solution
The fourth proportional to 788,480.12, 1,088,116.17 and 466,245.74 is: 643,427.17
Step by Step Solution
- Step 1: Write the proportion equation
788,480.12 : 1,088,116.17 = 466,245.74 : x - Step 2: Convert to fraction form
788,480.12/1,088,116.17 = 466,245.74/x - Step 3: Cross multiply
788,480.12x = 1,088,116.17 × 466,245.74 - Step 4: Simplify right side
788,480.12x = 507,329,528,887.62 - Step 5: Solve for x
x = 507,329,528,887.62/788,480.12 - Step 6: Final answer
x = 643,427.17
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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.