Finding the Fourth Proportional to 750,823.88, 1,036,137.14 and 411,304.20
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Solution
The fourth proportional to 750,823.88, 1,036,137.14 and 411,304.20 is: 567,599.90
Step by Step Solution
- Step 1: Write the proportion equation
750,823.88 : 1,036,137.14 = 411,304.20 : x - Step 2: Convert to fraction form
750,823.88/1,036,137.14 = 411,304.20/x - Step 3: Cross multiply
750,823.88x = 1,036,137.14 × 411,304.20 - Step 4: Simplify right side
750,823.88x = 426,167,557,457.99 - Step 5: Solve for x
x = 426,167,557,457.99/750,823.88 - Step 6: Final answer
x = 567,599.90
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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.