Finding the Fourth Proportional to 971,795.97, 1,340,355.47 and 713,591.87
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Solution
The fourth proportional to 971,795.97, 1,340,355.47 and 713,591.87 is: 984,225.89
Step by Step Solution
- Step 1: Write the proportion equation
971,795.97 : 1,340,355.47 = 713,591.87 : x - Step 2: Convert to fraction form
971,795.97/1,340,355.47 = 713,591.87/x - Step 3: Cross multiply
971,795.97x = 1,340,355.47 × 713,591.87 - Step 4: Simplify right side
971,795.97x = 956,466,756,032.29 - Step 5: Solve for x
x = 956,466,756,032.29/971,795.97 - Step 6: Final answer
x = 984,225.89
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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.