Finding the Fourth Proportional to 730,134.71, 1,007,564.68 and 403,442.52
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Solution
The fourth proportional to 730,134.71, 1,007,564.68 and 403,442.52 is: 556,738.95
Step by Step Solution
- Step 1: Write the proportion equation
730,134.71 : 1,007,564.68 = 403,442.52 : x - Step 2: Convert to fraction form
730,134.71/1,007,564.68 = 403,442.52/x - Step 3: Cross multiply
730,134.71x = 1,007,564.68 × 403,442.52 - Step 4: Simplify right side
730,134.71x = 406,494,430,288.13 - Step 5: Solve for x
x = 406,494,430,288.13/730,134.71 - Step 6: Final answer
x = 556,738.95
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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.