Finding the Fourth Proportional to 539,515.48, 744,531.44 and 297,798.12
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Solution
The fourth proportional to 539,515.48, 744,531.44 and 297,798.12 is: 410,961.45
Step by Step Solution
- Step 1: Write the proportion equation
539,515.48 : 744,531.44 = 297,798.12 : x - Step 2: Convert to fraction form
539,515.48/744,531.44 = 297,798.12/x - Step 3: Cross multiply
539,515.48x = 744,531.44 × 297,798.12 - Step 4: Simplify right side
539,515.48x = 221,720,063,112.89 - Step 5: Solve for x
x = 221,720,063,112.89/539,515.48 - Step 6: Final answer
x = 410,961.45
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1.5x scale
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.