Finding the Fourth Proportional to 816,332.10, 1,224,510.36 and 310,920.99
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Solution
The fourth proportional to 816,332.10, 1,224,510.36 and 310,920.99 is: 466,386.14
Step by Step Solution
- Step 1: Write the proportion equation
816,332.10 : 1,224,510.36 = 310,920.99 : x - Step 2: Convert to fraction form
816,332.10/1,224,510.36 = 310,920.99/x - Step 3: Cross multiply
816,332.10x = 1,224,510.36 × 310,920.99 - Step 4: Simplify right side
816,332.10x = 380,725,973,396.46 - Step 5: Solve for x
x = 380,725,973,396.46/816,332.10 - Step 6: Final answer
x = 466,386.14
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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.