Finding the Fourth Proportional to 652,247.70, 978,371.55 and 534,149.70
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Solution
The fourth proportional to 652,247.70, 978,371.55 and 534,149.70 is: 801,224.55
Step by Step Solution
- Step 1: Write the proportion equation
652,247.70 : 978,371.55 = 534,149.70 : x - Step 2: Convert to fraction form
652,247.70/978,371.55 = 534,149.70/x - Step 3: Cross multiply
652,247.70x = 978,371.55 × 534,149.70 - Step 4: Simplify right side
652,247.70x = 522,596,869,921.04 - Step 5: Solve for x
x = 522,596,869,921.04/652,247.70 - Step 6: Final answer
x = 801,224.55
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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.