Finding the Fourth Proportional to 747,588.11, 1,031,635.73 and 425,268.05
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Solution
The fourth proportional to 747,588.11, 1,031,635.73 and 425,268.05 is: 586,849.51
Step by Step Solution
- Step 1: Write the proportion equation
747,588.11 : 1,031,635.73 = 425,268.05 : x - Step 2: Convert to fraction form
747,588.11/1,031,635.73 = 425,268.05/x - Step 3: Cross multiply
747,588.11x = 1,031,635.73 × 425,268.05 - Step 4: Simplify right side
747,588.11x = 438,721,713,081.09 - Step 5: Solve for x
x = 438,721,713,081.09/747,588.11 - Step 6: Final answer
x = 586,849.51
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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.