Finding the Fourth Proportional to 720,180.18, 1,080,430.99 and 270,904.77
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Solution
The fourth proportional to 720,180.18, 1,080,430.99 and 270,904.77 is: 406,417.61
Step by Step Solution
- Step 1: Write the proportion equation
720,180.18 : 1,080,430.99 = 270,904.77 : x - Step 2: Convert to fraction form
720,180.18/1,080,430.99 = 270,904.77/x - Step 3: Cross multiply
720,180.18x = 1,080,430.99 × 270,904.77 - Step 4: Simplify right side
720,180.18x = 292,693,908,169.56 - Step 5: Solve for x
x = 292,693,908,169.56/720,180.18 - Step 6: Final answer
x = 406,417.61
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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.