Finding the Fourth Proportional to 633,403.26, 874,113.50 and 357,739.00
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Solution
The fourth proportional to 633,403.26, 874,113.50 and 357,739.00 is: 493,689.42
Step by Step Solution
- Step 1: Write the proportion equation
633,403.26 : 874,113.50 = 357,739.00 : x - Step 2: Convert to fraction form
633,403.26/874,113.50 = 357,739.00/x - Step 3: Cross multiply
633,403.26x = 874,113.50 × 357,739.00 - Step 4: Simplify right side
633,403.26x = 312,704,488,085.56 - Step 5: Solve for x
x = 312,704,488,085.56/633,403.26 - Step 6: Final answer
x = 493,689.42
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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.