Finding the Fourth Proportional to 750,839.84, 1,036,184.85 and 411,308.09
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Solution
The fourth proportional to 750,839.84, 1,036,184.85 and 411,308.09 is: 567,619.33
Step by Step Solution
- Step 1: Write the proportion equation
750,839.84 : 1,036,184.85 = 411,308.09 : x - Step 2: Convert to fraction form
750,839.84/1,036,184.85 = 411,308.09/x - Step 3: Cross multiply
750,839.84x = 1,036,184.85 × 411,308.09 - Step 4: Simplify right side
750,839.84x = 426,191,206,359.51 - Step 5: Solve for x
x = 426,191,206,359.51/750,839.84 - Step 6: Final answer
x = 567,619.33
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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.