Finding the Fourth Proportional to 624,340.80, 935,128.80 and 513,748.80
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Solution
The fourth proportional to 624,340.80, 935,128.80 and 513,748.80 is: 769,485.67
Step by Step Solution
- Step 1: Write the proportion equation
624,340.80 : 935,128.80 = 513,748.80 : x - Step 2: Convert to fraction form
624,340.80/935,128.80 = 513,748.80/x - Step 3: Cross multiply
624,340.80x = 935,128.80 × 513,748.80 - Step 4: Simplify right side
624,340.80x = 480,421,298,845.44 - Step 5: Solve for x
x = 480,421,298,845.44/624,340.80 - Step 6: Final answer
x = 769,485.67
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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.