Finding the Fourth Proportional to 575,787.21, 794,174.99 and 499,169.31
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Solution
The fourth proportional to 575,787.21, 794,174.99 and 499,169.31 is: 688,497.03
Step by Step Solution
- Step 1: Write the proportion equation
575,787.21 : 794,174.99 = 499,169.31 : x - Step 2: Convert to fraction form
575,787.21/794,174.99 = 499,169.31/x - Step 3: Cross multiply
575,787.21x = 794,174.99 × 499,169.31 - Step 4: Simplify right side
575,787.21x = 396,427,781,777.56 - Step 5: Solve for x
x = 396,427,781,777.56/575,787.21 - Step 6: Final answer
x = 688,497.03
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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.