Finding the Fourth Proportional to 750,839.59, 1,036,184.51 and 411,307.84
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Solution
The fourth proportional to 750,839.59, 1,036,184.51 and 411,307.84 is: 567,618.99
Step by Step Solution
- Step 1: Write the proportion equation
750,839.59 : 1,036,184.51 = 411,307.84 : x - Step 2: Convert to fraction form
750,839.59/1,036,184.51 = 411,307.84/x - Step 3: Cross multiply
750,839.59x = 1,036,184.51 × 411,307.84 - Step 4: Simplify right side
750,839.59x = 426,190,805,412.10 - Step 5: Solve for x
x = 426,190,805,412.10/750,839.59 - Step 6: Final answer
x = 567,618.99
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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.