Finding the Fourth Proportional to 837,709.98, 1,257,089.85 and 339,073.98
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Solution
The fourth proportional to 837,709.98, 1,257,089.85 and 339,073.98 is: 508,823.42
Step by Step Solution
- Step 1: Write the proportion equation
837,709.98 : 1,257,089.85 = 339,073.98 : x - Step 2: Convert to fraction form
837,709.98/1,257,089.85 = 339,073.98/x - Step 3: Cross multiply
837,709.98x = 1,257,089.85 × 339,073.98 - Step 4: Simplify right side
837,709.98x = 426,246,458,657.10 - Step 5: Solve for x
x = 426,246,458,657.10/837,709.98 - Step 6: Final answer
x = 508,823.42
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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.