Finding the Fourth Proportional to 697,474.98, 962,267.64 and 455,896.80
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Solution
The fourth proportional to 697,474.98, 962,267.64 and 455,896.80 is: 628,975.59
Step by Step Solution
- Step 1: Write the proportion equation
697,474.98 : 962,267.64 = 455,896.80 : x - Step 2: Convert to fraction form
697,474.98/962,267.64 = 455,896.80/x - Step 3: Cross multiply
697,474.98x = 962,267.64 × 455,896.80 - Step 4: Simplify right side
697,474.98x = 438,694,737,819.55 - Step 5: Solve for x
x = 438,694,737,819.55/697,474.98 - Step 6: Final answer
x = 628,975.59
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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.