Finding the Fourth Proportional to 912,232.10, 1,368,348.15 and 874,907.30
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Solution
The fourth proportional to 912,232.10, 1,368,348.15 and 874,907.30 is: 1,312,360.95
Step by Step Solution
- Step 1: Write the proportion equation
912,232.10 : 1,368,348.15 = 874,907.30 : x - Step 2: Convert to fraction form
912,232.10/1,368,348.15 = 874,907.30/x - Step 3: Cross multiply
912,232.10x = 1,368,348.15 × 874,907.30 - Step 4: Simplify right side
912,232.10x = 1,197,177,785,376.49 - Step 5: Solve for x
x = 1,197,177,785,376.49/912,232.10 - Step 6: Final answer
x = 1,312,360.95
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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.