Finding the Fourth Proportional to 804,860.70, 1,205,908.65 and 383,228.70
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Solution
The fourth proportional to 804,860.70, 1,205,908.65 and 383,228.70 is: 574,184.83
Step by Step Solution
- Step 1: Write the proportion equation
804,860.70 : 1,205,908.65 = 383,228.70 : x - Step 2: Convert to fraction form
804,860.70/1,205,908.65 = 383,228.70/x - Step 3: Cross multiply
804,860.70x = 1,205,908.65 × 383,228.70 - Step 4: Simplify right side
804,860.70x = 462,138,804,258.26 - Step 5: Solve for x
x = 462,138,804,258.26/804,860.70 - Step 6: Final answer
x = 574,184.83
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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.