Finding the Fourth Proportional to 750,846.84, 1,036,194.51 and 411,315.09
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Solution
The fourth proportional to 750,846.84, 1,036,194.51 and 411,315.09 is: 567,628.99
Step by Step Solution
- Step 1: Write the proportion equation
750,846.84 : 1,036,194.51 = 411,315.09 : x - Step 2: Convert to fraction form
750,846.84/1,036,194.51 = 411,315.09/x - Step 3: Cross multiply
750,846.84x = 1,036,194.51 × 411,315.09 - Step 4: Simplify right side
750,846.84x = 426,202,432,957.18 - Step 5: Solve for x
x = 426,202,432,957.18/750,846.84 - Step 6: Final answer
x = 567,628.99
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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.