Finding the Fourth Proportional to 518,980.74, 716,028.56 and 304,052.10
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Solution
The fourth proportional to 518,980.74, 716,028.56 and 304,052.10 is: 419,495.31
Step by Step Solution
- Step 1: Write the proportion equation
518,980.74 : 716,028.56 = 304,052.10 : x - Step 2: Convert to fraction form
518,980.74/716,028.56 = 304,052.10/x - Step 3: Cross multiply
518,980.74x = 716,028.56 × 304,052.10 - Step 4: Simplify right side
518,980.74x = 217,709,987,327.98 - Step 5: Solve for x
x = 217,709,987,327.98/518,980.74 - Step 6: Final answer
x = 419,495.31
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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.