Finding the Fourth Proportional to 781,515.27, 1,172,260.55 and 249,028.67
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Solution
The fourth proportional to 781,515.27, 1,172,260.55 and 249,028.67 is: 373,539.07
Step by Step Solution
- Step 1: Write the proportion equation
781,515.27 : 1,172,260.55 = 249,028.67 : x - Step 2: Convert to fraction form
781,515.27/1,172,260.55 = 249,028.67/x - Step 3: Cross multiply
781,515.27x = 1,172,260.55 × 249,028.67 - Step 4: Simplify right side
781,515.27x = 291,926,489,213.19 - Step 5: Solve for x
x = 291,926,489,213.19/781,515.27 - Step 6: Final answer
x = 373,539.07
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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.