Finding the Fourth Proportional to 877,252.05, 1,210,102.52 and 528,149.43
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Solution
The fourth proportional to 877,252.05, 1,210,102.52 and 528,149.43 is: 728,541.99
Step by Step Solution
- Step 1: Write the proportion equation
877,252.05 : 1,210,102.52 = 528,149.43 : x - Step 2: Convert to fraction form
877,252.05/1,210,102.52 = 528,149.43/x - Step 3: Cross multiply
877,252.05x = 1,210,102.52 × 528,149.43 - Step 4: Simplify right side
877,252.05x = 639,114,953,538.82 - Step 5: Solve for x
x = 639,114,953,538.82/877,252.05 - Step 6: Final answer
x = 728,541.99
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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.