Finding the Fourth Proportional to 647,710.80, 972,408.11 and 498,056.18
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Solution
The fourth proportional to 647,710.80, 972,408.11 and 498,056.18 is: 747,731.66
Step by Step Solution
- Step 1: Write the proportion equation
647,710.80 : 972,408.11 = 498,056.18 : x - Step 2: Convert to fraction form
647,710.80/972,408.11 = 498,056.18/x - Step 3: Cross multiply
647,710.80x = 972,408.11 × 498,056.18 - Step 4: Simplify right side
647,710.80x = 484,313,866,468.25 - Step 5: Solve for x
x = 484,313,866,468.25/647,710.80 - Step 6: Final answer
x = 747,731.66
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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.