Finding the Fourth Proportional to 739,551.84, 1,020,493.72 and 417,243.12
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Solution
The fourth proportional to 739,551.84, 1,020,493.72 and 417,243.12 is: 575,745.96
Step by Step Solution
- Step 1: Write the proportion equation
739,551.84 : 1,020,493.72 = 417,243.12 : x - Step 2: Convert to fraction form
739,551.84/1,020,493.72 = 417,243.12/x - Step 3: Cross multiply
739,551.84x = 1,020,493.72 × 417,243.12 - Step 4: Simplify right side
739,551.84x = 425,793,983,673.21 - Step 5: Solve for x
x = 425,793,983,673.21/739,551.84 - Step 6: Final answer
x = 575,745.96
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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.