Finding the Fourth Proportional to 697,803.42, 962,853.56 and 411,378.92
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Solution
The fourth proportional to 697,803.42, 962,853.56 and 411,378.92 is: 567,635.02
Step by Step Solution
- Step 1: Write the proportion equation
697,803.42 : 962,853.56 = 411,378.92 : x - Step 2: Convert to fraction form
697,803.42/962,853.56 = 411,378.92/x - Step 3: Cross multiply
697,803.42x = 962,853.56 × 411,378.92 - Step 4: Simplify right side
697,803.42x = 396,097,657,630.96 - Step 5: Solve for x
x = 396,097,657,630.96/697,803.42 - Step 6: Final answer
x = 567,635.02
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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.