Finding the Fourth Proportional to 624,461.80, 935,310.30 and 513,869.80
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Solution
The fourth proportional to 624,461.80, 935,310.30 and 513,869.80 is: 769,667.12
Step by Step Solution
- Step 1: Write the proportion equation
624,461.80 : 935,310.30 = 513,869.80 : x - Step 2: Convert to fraction form
624,461.80/935,310.30 = 513,869.80/x - Step 3: Cross multiply
624,461.80x = 935,310.30 × 513,869.80 - Step 4: Simplify right side
624,461.80x = 480,627,716,798.94 - Step 5: Solve for x
x = 480,627,716,798.94/624,461.80 - Step 6: Final answer
x = 769,667.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.