Finding the Fourth Proportional to 747,573.37, 1,031,651.25 and 408,041.62
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Solution
The fourth proportional to 747,573.37, 1,031,651.25 and 408,041.62 is: 563,097.43
Step by Step Solution
- Step 1: Write the proportion equation
747,573.37 : 1,031,651.25 = 408,041.62 : x - Step 2: Convert to fraction form
747,573.37/1,031,651.25 = 408,041.62/x - Step 3: Cross multiply
747,573.37x = 1,031,651.25 × 408,041.62 - Step 4: Simplify right side
747,573.37x = 420,956,645,510.98 - Step 5: Solve for x
x = 420,956,645,510.98/747,573.37 - Step 6: Final answer
x = 563,097.43
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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.