Finding the Fourth Proportional to 1,029,605.70, 1,544,614.47 and 355,711.62
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Solution
The fourth proportional to 1,029,605.70, 1,544,614.47 and 355,711.62 is: 533,638.57
Step by Step Solution
- Step 1: Write the proportion equation
1,029,605.70 : 1,544,614.47 = 355,711.62 : x - Step 2: Convert to fraction form
1,029,605.70/1,544,614.47 = 355,711.62/x - Step 3: Cross multiply
1,029,605.70x = 1,544,614.47 × 355,711.62 - Step 4: Simplify right side
1,029,605.70x = 549,437,315,399.14 - Step 5: Solve for x
x = 549,437,315,399.14/1,029,605.70 - Step 6: Final answer
x = 533,638.57
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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.