Finding the Fourth Proportional to 868,356.36, 1,300,959.84 and 849,460.68
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Solution
The fourth proportional to 868,356.36, 1,300,959.84 and 849,460.68 is: 1,272,650.59
Step by Step Solution
- Step 1: Write the proportion equation
868,356.36 : 1,300,959.84 = 849,460.68 : x - Step 2: Convert to fraction form
868,356.36/1,300,959.84 = 849,460.68/x - Step 3: Cross multiply
868,356.36x = 1,300,959.84 × 849,460.68 - Step 4: Simplify right side
868,356.36x = 1,105,114,230,339.09 - Step 5: Solve for x
x = 1,105,114,230,339.09/868,356.36 - Step 6: Final answer
x = 1,272,650.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.