Finding the Fourth Proportional to 647,957.98, 972,264.93 and 437,153.05
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Solution
The fourth proportional to 647,957.98, 972,264.93 and 437,153.05 is: 655,950.84
Step by Step Solution
- Step 1: Write the proportion equation
647,957.98 : 972,264.93 = 437,153.05 : x - Step 2: Convert to fraction form
647,957.98/972,264.93 = 437,153.05/x - Step 3: Cross multiply
647,957.98x = 972,264.93 × 437,153.05 - Step 4: Simplify right side
647,957.98x = 425,028,579,557.54 - Step 5: Solve for x
x = 425,028,579,557.54/647,957.98 - Step 6: Final answer
x = 655,950.84
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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.