Finding the Fourth Proportional to 788,268.24, 1,087,810.16 and 425,692.13
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Solution
The fourth proportional to 788,268.24, 1,087,810.16 and 425,692.13 is: 587,455.12
Step by Step Solution
- Step 1: Write the proportion equation
788,268.24 : 1,087,810.16 = 425,692.13 : x - Step 2: Convert to fraction form
788,268.24/1,087,810.16 = 425,692.13/x - Step 3: Cross multiply
788,268.24x = 1,087,810.16 × 425,692.13 - Step 4: Simplify right side
788,268.24x = 463,072,216,478.53 - Step 5: Solve for x
x = 463,072,216,478.53/788,268.24 - Step 6: Final answer
x = 587,455.12
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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.