Finding the Fourth Proportional to 808,202.43, 1,115,317.38 and 445,632.00
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Solution
The fourth proportional to 808,202.43, 1,115,317.38 and 445,632.00 is: 614,971.07
Step by Step Solution
- Step 1: Write the proportion equation
808,202.43 : 1,115,317.38 = 445,632.00 : x - Step 2: Convert to fraction form
808,202.43/1,115,317.38 = 445,632.00/x - Step 3: Cross multiply
808,202.43x = 1,115,317.38 × 445,632.00 - Step 4: Simplify right side
808,202.43x = 497,021,117,823.31 - Step 5: Solve for x
x = 497,021,117,823.31/808,202.43 - Step 6: Final answer
x = 614,971.07
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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.