Finding the Fourth Proportional to 877,334.11, 1,210,729.41 and 514,764.14
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Solution
The fourth proportional to 877,334.11, 1,210,729.41 and 514,764.14 is: 710,379.40
Step by Step Solution
- Step 1: Write the proportion equation
877,334.11 : 1,210,729.41 = 514,764.14 : x - Step 2: Convert to fraction form
877,334.11/1,210,729.41 = 514,764.14/x - Step 3: Cross multiply
877,334.11x = 1,210,729.41 × 514,764.14 - Step 4: Simplify right side
877,334.11x = 623,240,079,388.08 - Step 5: Solve for x
x = 623,240,079,388.08/877,334.11 - Step 6: Final answer
x = 710,379.40
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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.