Finding the Fourth Proportional to 536,698.90, 740,649.09 and 294,987.09
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Solution
The fourth proportional to 536,698.90, 740,649.09 and 294,987.09 is: 407,084.72
Step by Step Solution
- Step 1: Write the proportion equation
536,698.90 : 740,649.09 = 294,987.09 : x - Step 2: Convert to fraction form
536,698.90/740,649.09 = 294,987.09/x - Step 3: Cross multiply
536,698.90x = 740,649.09 × 294,987.09 - Step 4: Simplify right side
536,698.90x = 218,481,919,770.25 - Step 5: Solve for x
x = 218,481,919,770.25/536,698.90 - Step 6: Final answer
x = 407,084.72
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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.