Finding the Fourth Proportional to 896,420.97, 1,237,060.95 and 494,012.97
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Solution
The fourth proportional to 896,420.97, 1,237,060.95 and 494,012.97 is: 681,737.90
Step by Step Solution
- Step 1: Write the proportion equation
896,420.97 : 1,237,060.95 = 494,012.97 : x - Step 2: Convert to fraction form
896,420.97/1,237,060.95 = 494,012.97/x - Step 3: Cross multiply
896,420.97x = 1,237,060.95 × 494,012.97 - Step 4: Simplify right side
896,420.97x = 611,124,153,980.52 - Step 5: Solve for x
x = 611,124,153,980.52/896,420.97 - Step 6: Final answer
x = 681,737.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.