Finding the Fourth Proportional to 971,518.44, 1,340,237.88 and 631,862.76
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Solution
The fourth proportional to 971,518.44, 1,340,237.88 and 631,862.76 is: 871,673.01
Step by Step Solution
- Step 1: Write the proportion equation
971,518.44 : 1,340,237.88 = 631,862.76 : x - Step 2: Convert to fraction form
971,518.44/1,340,237.88 = 631,862.76/x - Step 3: Cross multiply
971,518.44x = 1,340,237.88 × 631,862.76 - Step 4: Simplify right side
971,518.44x = 846,846,405,913.35 - Step 5: Solve for x
x = 846,846,405,913.35/971,518.44 - Step 6: Final answer
x = 871,673.01
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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.