Finding the Fourth Proportional to 998,879.24, 1,378,588.21 and 563,385.98
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Solution
The fourth proportional to 998,879.24, 1,378,588.21 and 563,385.98 is: 777,548.72
Step by Step Solution
- Step 1: Write the proportion equation
998,879.24 : 1,378,588.21 = 563,385.98 : x - Step 2: Convert to fraction form
998,879.24/1,378,588.21 = 563,385.98/x - Step 3: Cross multiply
998,879.24x = 1,378,588.21 × 563,385.98 - Step 4: Simplify right side
998,879.24x = 776,677,271,745.30 - Step 5: Solve for x
x = 776,677,271,745.30/998,879.24 - Step 6: Final answer
x = 777,548.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.