Finding the Fourth Proportional to 624,304.80, 935,074.80 and 513,712.80
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Solution
The fourth proportional to 624,304.80, 935,074.80 and 513,712.80 is: 769,431.68
Step by Step Solution
- Step 1: Write the proportion equation
624,304.80 : 935,074.80 = 513,712.80 : x - Step 2: Convert to fraction form
624,304.80/935,074.80 = 513,712.80/x - Step 3: Cross multiply
624,304.80x = 935,074.80 × 513,712.80 - Step 4: Simplify right side
624,304.80x = 480,359,893,717.44 - Step 5: Solve for x
x = 480,359,893,717.44/624,304.80 - Step 6: Final answer
x = 769,431.68
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1.5x scale
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.