Finding the Fourth Proportional to 823,637.99, 1,136,644.16 and 461,059.70
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Solution
The fourth proportional to 823,637.99, 1,136,644.16 and 461,059.70 is: 636,275.66
Step by Step Solution
- Step 1: Write the proportion equation
823,637.99 : 1,136,644.16 = 461,059.70 : x - Step 2: Convert to fraction form
823,637.99/1,136,644.16 = 461,059.70/x - Step 3: Cross multiply
823,637.99x = 1,136,644.16 × 461,059.70 - Step 4: Simplify right side
823,637.99x = 524,060,807,427.83 - Step 5: Solve for x
x = 524,060,807,427.83/823,637.99 - Step 6: Final answer
x = 636,275.66
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1.5x scale
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.