Finding the Fourth Proportional to 698,932.53, 964,521.95 and 397,126.53
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Solution
The fourth proportional to 698,932.53, 964,521.95 and 397,126.53 is: 548,031.80
Step by Step Solution
- Step 1: Write the proportion equation
698,932.53 : 964,521.95 = 397,126.53 : x - Step 2: Convert to fraction form
698,932.53/964,521.95 = 397,126.53/x - Step 3: Cross multiply
698,932.53x = 964,521.95 × 397,126.53 - Step 4: Simplify right side
698,932.53x = 383,037,253,126.70 - Step 5: Solve for x
x = 383,037,253,126.70/698,932.53 - Step 6: Final answer
x = 548,031.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.