Finding the Fourth Proportional to 750,591.05, 1,035,816.04 and 406,427.13
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Solution
The fourth proportional to 750,591.05, 1,035,816.04 and 406,427.13 is: 560,869.65
Step by Step Solution
- Step 1: Write the proportion equation
750,591.05 : 1,035,816.04 = 406,427.13 : x - Step 2: Convert to fraction form
750,591.05/1,035,816.04 = 406,427.13/x - Step 3: Cross multiply
750,591.05x = 1,035,816.04 × 406,427.13 - Step 4: Simplify right side
750,591.05x = 420,983,740,345.17 - Step 5: Solve for x
x = 420,983,740,345.17/750,591.05 - Step 6: Final answer
x = 560,869.65
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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.