Finding the Fourth Proportional to 750,928.24, 1,036,274.76 and 406,756.18
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Solution
The fourth proportional to 750,928.24, 1,036,274.76 and 406,756.18 is: 561,320.16
Step by Step Solution
- Step 1: Write the proportion equation
750,928.24 : 1,036,274.76 = 406,756.18 : x - Step 2: Convert to fraction form
750,928.24/1,036,274.76 = 406,756.18/x - Step 3: Cross multiply
750,928.24x = 1,036,274.76 × 406,756.18 - Step 4: Simplify right side
750,928.24x = 421,511,162,808.02 - Step 5: Solve for x
x = 421,511,162,808.02/750,928.24 - Step 6: Final answer
x = 561,320.16
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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.