Finding the Fourth Proportional to 720,010.08, 1,080,668.76 and 383,331.96
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Solution
The fourth proportional to 720,010.08, 1,080,668.76 and 383,331.96 is: 575,345.94
Step by Step Solution
- Step 1: Write the proportion equation
720,010.08 : 1,080,668.76 = 383,331.96 : x - Step 2: Convert to fraction form
720,010.08/1,080,668.76 = 383,331.96/x - Step 3: Cross multiply
720,010.08x = 1,080,668.76 × 383,331.96 - Step 4: Simplify right side
720,010.08x = 414,254,873,881.57 - Step 5: Solve for x
x = 414,254,873,881.57/720,010.08 - Step 6: Final answer
x = 575,345.94
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1.5x scale
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.