Finding the Fourth Proportional to 564,745.80, 847,118.70 and 486,013.80
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Solution
The fourth proportional to 564,745.80, 847,118.70 and 486,013.80 is: 729,020.70
Step by Step Solution
- Step 1: Write the proportion equation
564,745.80 : 847,118.70 = 486,013.80 : x - Step 2: Convert to fraction form
564,745.80/847,118.70 = 486,013.80/x - Step 3: Cross multiply
564,745.80x = 847,118.70 × 486,013.80 - Step 4: Simplify right side
564,745.80x = 411,711,378,438.06 - Step 5: Solve for x
x = 411,711,378,438.06/564,745.80 - Step 6: Final answer
x = 729,020.70
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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.