Finding the Fourth Proportional to 814,589.94, 1,221,995.87 and 473,193.57
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Solution
The fourth proportional to 814,589.94, 1,221,995.87 and 473,193.57 is: 709,854.81
Step by Step Solution
- Step 1: Write the proportion equation
814,589.94 : 1,221,995.87 = 473,193.57 : x - Step 2: Convert to fraction form
814,589.94/1,221,995.87 = 473,193.57/x - Step 3: Cross multiply
814,589.94x = 1,221,995.87 × 473,193.57 - Step 4: Simplify right side
814,589.94x = 578,240,588,250.56 - Step 5: Solve for x
x = 578,240,588,250.56/814,589.94 - Step 6: Final answer
x = 709,854.81
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1.5x scale
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.