Finding the Fourth Proportional to 757,823.25, 1,045,796.18 and 418,291.59
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Solution
The fourth proportional to 757,823.25, 1,045,796.18 and 418,291.59 is: 577,242.45
Step by Step Solution
- Step 1: Write the proportion equation
757,823.25 : 1,045,796.18 = 418,291.59 : x - Step 2: Convert to fraction form
757,823.25/1,045,796.18 = 418,291.59/x - Step 3: Cross multiply
757,823.25x = 1,045,796.18 × 418,291.59 - Step 4: Simplify right side
757,823.25x = 437,447,746,948.13 - Step 5: Solve for x
x = 437,447,746,948.13/757,823.25 - Step 6: Final answer
x = 577,242.45
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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.