Finding the Fourth Proportional to 574,605.21, 862,669.65 and 490,903.26
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Solution
The fourth proportional to 574,605.21, 862,669.65 and 490,903.26 is: 737,005.75
Step by Step Solution
- Step 1: Write the proportion equation
574,605.21 : 862,669.65 = 490,903.26 : x - Step 2: Convert to fraction form
574,605.21/862,669.65 = 490,903.26/x - Step 3: Cross multiply
574,605.21x = 862,669.65 × 490,903.26 - Step 4: Simplify right side
574,605.21x = 423,487,343,488.06 - Step 5: Solve for x
x = 423,487,343,488.06/574,605.21 - Step 6: Final answer
x = 737,005.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.