Finding the Fourth Proportional to 939,397.68, 1,296,599.40 and 576,907.92
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Solution
The fourth proportional to 939,397.68, 1,296,599.40 and 576,907.92 is: 796,274.55
Step by Step Solution
- Step 1: Write the proportion equation
939,397.68 : 1,296,599.40 = 576,907.92 : x - Step 2: Convert to fraction form
939,397.68/1,296,599.40 = 576,907.92/x - Step 3: Cross multiply
939,397.68x = 1,296,599.40 × 576,907.92 - Step 4: Simplify right side
939,397.68x = 748,018,462,927.25 - Step 5: Solve for x
x = 748,018,462,927.25/939,397.68 - Step 6: Final answer
x = 796,274.55
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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.