Finding the Fourth Proportional to 968,711.48, 1,450,991.27 and 787,938.84
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Solution
The fourth proportional to 968,711.48, 1,450,991.27 and 787,938.84 is: 1,180,219.71
Step by Step Solution
- Step 1: Write the proportion equation
968,711.48 : 1,450,991.27 = 787,938.84 : x - Step 2: Convert to fraction form
968,711.48/1,450,991.27 = 787,938.84/x - Step 3: Cross multiply
968,711.48x = 1,450,991.27 × 787,938.84 - Step 4: Simplify right side
968,711.48x = 1,143,292,378,133.93 - Step 5: Solve for x
x = 1,143,292,378,133.93/968,711.48 - Step 6: Final answer
x = 1,180,219.71
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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.