Finding the Fourth Proportional to 652,259.70, 978,389.55 and 534,161.70
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Solution
The fourth proportional to 652,259.70, 978,389.55 and 534,161.70 is: 801,242.55
Step by Step Solution
- Step 1: Write the proportion equation
652,259.70 : 978,389.55 = 534,161.70 : x - Step 2: Convert to fraction form
652,259.70/978,389.55 = 534,161.70/x - Step 3: Cross multiply
652,259.70x = 978,389.55 × 534,161.70 - Step 4: Simplify right side
652,259.70x = 522,618,225,290.24 - Step 5: Solve for x
x = 522,618,225,290.24/652,259.70 - Step 6: Final answer
x = 801,242.55
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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.