Finding the Fourth Proportional to 626,688.93, 864,739.49 and 358,365.09
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Solution
The fourth proportional to 626,688.93, 864,739.49 and 358,365.09 is: 494,491.65
Step by Step Solution
- Step 1: Write the proportion equation
626,688.93 : 864,739.49 = 358,365.09 : x - Step 2: Convert to fraction form
626,688.93/864,739.49 = 358,365.09/x - Step 3: Cross multiply
626,688.93x = 864,739.49 × 358,365.09 - Step 4: Simplify right side
626,688.93x = 309,892,443,368.58 - Step 5: Solve for x
x = 309,892,443,368.58/626,688.93 - Step 6: Final answer
x = 494,491.65
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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.