Finding the Fourth Proportional to 875,745.42, 1,207,828.95 and 603,750.96
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Solution
The fourth proportional to 875,745.42, 1,207,828.95 and 603,750.96 is: 832,693.92
Step by Step Solution
- Step 1: Write the proportion equation
875,745.42 : 1,207,828.95 = 603,750.96 : x - Step 2: Convert to fraction form
875,745.42/1,207,828.95 = 603,750.96/x - Step 3: Cross multiply
875,745.42x = 1,207,828.95 × 603,750.96 - Step 4: Simplify right side
875,745.42x = 729,227,888,078.29 - Step 5: Solve for x
x = 729,227,888,078.29/875,745.42 - Step 6: Final answer
x = 832,693.92
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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.