Finding the Fourth Proportional to 439,423.70, 659,135.55 and 334,447.70
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Solution
The fourth proportional to 439,423.70, 659,135.55 and 334,447.70 is: 501,671.55
Step by Step Solution
- Step 1: Write the proportion equation
439,423.70 : 659,135.55 = 334,447.70 : x - Step 2: Convert to fraction form
439,423.70/659,135.55 = 334,447.70/x - Step 3: Cross multiply
439,423.70x = 659,135.55 × 334,447.70 - Step 4: Simplify right side
439,423.70x = 220,446,368,685.74 - Step 5: Solve for x
x = 220,446,368,685.74/439,423.70 - Step 6: Final answer
x = 501,671.55
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1.5x scale
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.