Finding the Fourth Proportional to 1,063,438.84, 1,467,283.08 and 627,866.36
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Solution
The fourth proportional to 1,063,438.84, 1,467,283.08 and 627,866.36 is: 866,300.58
Step by Step Solution
- Step 1: Write the proportion equation
1,063,438.84 : 1,467,283.08 = 627,866.36 : x - Step 2: Convert to fraction form
1,063,438.84/1,467,283.08 = 627,866.36/x - Step 3: Cross multiply
1,063,438.84x = 1,467,283.08 × 627,866.36 - Step 4: Simplify right side
1,063,438.84x = 921,257,686,529.19 - Step 5: Solve for x
x = 921,257,686,529.19/1,063,438.84 - Step 6: Final answer
x = 866,300.58
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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.