Finding the Fourth Proportional to 624,211.58, 935,923.70 and 343,925.66
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Solution
The fourth proportional to 624,211.58, 935,923.70 and 343,925.66 is: 515,671.59
Step by Step Solution
- Step 1: Write the proportion equation
624,211.58 : 935,923.70 = 343,925.66 : x - Step 2: Convert to fraction form
624,211.58/935,923.70 = 343,925.66/x - Step 3: Cross multiply
624,211.58x = 935,923.70 × 343,925.66 - Step 4: Simplify right side
624,211.58x = 321,888,176,232.14 - Step 5: Solve for x
x = 321,888,176,232.14/624,211.58 - Step 6: Final answer
x = 515,671.59
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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.