Finding the Fourth Proportional to 1,315,272.24, 1,971,723.56 and 473,231.52
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Solution
The fourth proportional to 1,315,272.24, 1,971,723.56 and 473,231.52 is: 709,420.99
Step by Step Solution
- Step 1: Write the proportion equation
1,315,272.24 : 1,971,723.56 = 473,231.52 : x - Step 2: Convert to fraction form
1,315,272.24/1,971,723.56 = 473,231.52/x - Step 3: Cross multiply
1,315,272.24x = 1,971,723.56 × 473,231.52 - Step 4: Simplify right side
1,315,272.24x = 933,081,737,318.61 - Step 5: Solve for x
x = 933,081,737,318.61/1,315,272.24 - Step 6: Final answer
x = 709,420.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.