Finding the Fourth Proportional to 750,221.16, 1,035,305.11 and 406,057.02
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Solution
The fourth proportional to 750,221.16, 1,035,305.11 and 406,057.02 is: 560,358.64
Step by Step Solution
- Step 1: Write the proportion equation
750,221.16 : 1,035,305.11 = 406,057.02 : x - Step 2: Convert to fraction form
750,221.16/1,035,305.11 = 406,057.02/x - Step 3: Cross multiply
750,221.16x = 1,035,305.11 × 406,057.02 - Step 4: Simplify right side
750,221.16x = 420,392,907,332.15 - Step 5: Solve for x
x = 420,392,907,332.15/750,221.16 - Step 6: Final answer
x = 560,358.64
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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.