Finding the Fourth Proportional to 749,917.16, 1,034,883.78 and 410,382.44
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Solution
The fourth proportional to 749,917.16, 1,034,883.78 and 410,382.44 is: 566,326.73
Step by Step Solution
- Step 1: Write the proportion equation
749,917.16 : 1,034,883.78 = 410,382.44 : x - Step 2: Convert to fraction form
749,917.16/1,034,883.78 = 410,382.44/x - Step 3: Cross multiply
749,917.16x = 1,034,883.78 × 410,382.44 - Step 4: Simplify right side
749,917.16x = 424,698,130,752.82 - Step 5: Solve for x
x = 424,698,130,752.82/749,917.16 - Step 6: Final answer
x = 566,326.73
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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.