Finding the Fourth Proportional to 518,732.76, 716,441.68 and 348,671.64
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Solution
The fourth proportional to 518,732.76, 716,441.68 and 348,671.64 is: 481,563.75
Step by Step Solution
- Step 1: Write the proportion equation
518,732.76 : 716,441.68 = 348,671.64 : x - Step 2: Convert to fraction form
518,732.76/716,441.68 = 348,671.64/x - Step 3: Cross multiply
518,732.76x = 716,441.68 × 348,671.64 - Step 4: Simplify right side
518,732.76x = 249,802,895,529.96 - Step 5: Solve for x
x = 249,802,895,529.96/518,732.76 - Step 6: Final answer
x = 481,563.75
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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.