Finding the Fourth Proportional to 518,731.56, 716,440.05 and 348,670.44
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Solution
The fourth proportional to 518,731.56, 716,440.05 and 348,670.44 is: 481,562.12
Step by Step Solution
- Step 1: Write the proportion equation
518,731.56 : 716,440.05 = 348,670.44 : x - Step 2: Convert to fraction form
518,731.56/716,440.05 = 348,670.44/x - Step 3: Cross multiply
518,731.56x = 716,440.05 × 348,670.44 - Step 4: Simplify right side
518,731.56x = 249,801,467,467.12 - Step 5: Solve for x
x = 249,801,467,467.12/518,731.56 - Step 6: Final answer
x = 481,562.12
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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.