Finding the Fourth Proportional to 529,363.13, 730,521.11 and 290,899.13
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Solution
The fourth proportional to 529,363.13, 730,521.11 and 290,899.13 is: 401,440.79
Step by Step Solution
- Step 1: Write the proportion equation
529,363.13 : 730,521.11 = 290,899.13 : x - Step 2: Convert to fraction form
529,363.13/730,521.11 = 290,899.13/x - Step 3: Cross multiply
529,363.13x = 730,521.11 × 290,899.13 - Step 4: Simplify right side
529,363.13x = 212,507,952,420.28 - Step 5: Solve for x
x = 212,507,952,420.28/529,363.13 - Step 6: Final answer
x = 401,440.79
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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.