Finding the Fourth Proportional to 741,555.27, 1,023,386.81 and 419,293.53
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Solution
The fourth proportional to 741,555.27, 1,023,386.81 and 419,293.53 is: 578,647.99
Step by Step Solution
- Step 1: Write the proportion equation
741,555.27 : 1,023,386.81 = 419,293.53 : x - Step 2: Convert to fraction form
741,555.27/1,023,386.81 = 419,293.53/x - Step 3: Cross multiply
741,555.27x = 1,023,386.81 × 419,293.53 - Step 4: Simplify right side
741,555.27x = 429,099,466,023.87 - Step 5: Solve for x
x = 429,099,466,023.87/741,555.27 - Step 6: Final answer
x = 578,647.99
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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.