Finding the Fourth Proportional to 732,412.68, 1,098,259.48 and 305,820.55
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Solution
The fourth proportional to 732,412.68, 1,098,259.48 and 305,820.55 is: 458,580.70
Step by Step Solution
- Step 1: Write the proportion equation
732,412.68 : 1,098,259.48 = 305,820.55 : x - Step 2: Convert to fraction form
732,412.68/1,098,259.48 = 305,820.55/x - Step 3: Cross multiply
732,412.68x = 1,098,259.48 × 305,820.55 - Step 4: Simplify right side
732,412.68x = 335,870,318,216.31 - Step 5: Solve for x
x = 335,870,318,216.31/732,412.68 - Step 6: Final answer
x = 458,580.70
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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.