Finding the Fourth Proportional to 453,961.73, 626,542.09 and 346,328.53
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Solution
The fourth proportional to 453,961.73, 626,542.09 and 346,328.53 is: 477,990.51
Step by Step Solution
- Step 1: Write the proportion equation
453,961.73 : 626,542.09 = 346,328.53 : x - Step 2: Convert to fraction form
453,961.73/626,542.09 = 346,328.53/x - Step 3: Cross multiply
453,961.73x = 626,542.09 × 346,328.53 - Step 4: Simplify right side
453,961.73x = 216,989,398,580.65 - Step 5: Solve for x
x = 216,989,398,580.65/453,961.73 - Step 6: Final answer
x = 477,990.51
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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.