Finding the Fourth Proportional to 759,614.40, 1,137,890.70 and 474,429.60
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Solution
The fourth proportional to 759,614.40, 1,137,890.70 and 474,429.60 is: 710,688.25
Step by Step Solution
- Step 1: Write the proportion equation
759,614.40 : 1,137,890.70 = 474,429.60 : x - Step 2: Convert to fraction form
759,614.40/1,137,890.70 = 474,429.60/x - Step 3: Cross multiply
759,614.40x = 1,137,890.70 × 474,429.60 - Step 4: Simplify right side
759,614.40x = 539,849,029,644.72 - Step 5: Solve for x
x = 539,849,029,644.72/759,614.40 - Step 6: Final answer
x = 710,688.25
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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.