Finding the Fourth Proportional to 1,386,739.04, 2,080,440.65 and 440,109.75
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Solution
The fourth proportional to 1,386,739.04, 2,080,440.65 and 440,109.75 is: 660,270.03
Step by Step Solution
- Step 1: Write the proportion equation
1,386,739.04 : 2,080,440.65 = 440,109.75 : x - Step 2: Convert to fraction form
1,386,739.04/2,080,440.65 = 440,109.75/x - Step 3: Cross multiply
1,386,739.04x = 2,080,440.65 × 440,109.75 - Step 4: Simplify right side
1,386,739.04x = 915,622,223,263.26 - Step 5: Solve for x
x = 915,622,223,263.26/1,386,739.04 - Step 6: Final answer
x = 660,270.03
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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.