Finding the Fourth Proportional to 971,519.94, 1,340,239.95 and 631,864.26
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Solution
The fourth proportional to 971,519.94, 1,340,239.95 and 631,864.26 is: 871,675.08
Step by Step Solution
- Step 1: Write the proportion equation
971,519.94 : 1,340,239.95 = 631,864.26 : x - Step 2: Convert to fraction form
971,519.94/1,340,239.95 = 631,864.26/x - Step 3: Cross multiply
971,519.94x = 1,340,239.95 × 631,864.26 - Step 4: Simplify right side
971,519.94x = 846,849,724,229.19 - Step 5: Solve for x
x = 846,849,724,229.19/971,519.94 - Step 6: Final answer
x = 871,675.08
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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.