Finding the Fourth Proportional to 539,280.74, 744,178.46 and 297,515.99
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Solution
The fourth proportional to 539,280.74, 744,178.46 and 297,515.99 is: 410,556.09
Step by Step Solution
- Step 1: Write the proportion equation
539,280.74 : 744,178.46 = 297,515.99 : x - Step 2: Convert to fraction form
539,280.74/744,178.46 = 297,515.99/x - Step 3: Cross multiply
539,280.74x = 744,178.46 × 297,515.99 - Step 4: Simplify right side
539,280.74x = 221,404,991,636.44 - Step 5: Solve for x
x = 221,404,991,636.44/539,280.74 - Step 6: Final answer
x = 410,556.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.