Finding the Fourth Proportional to 664,488.90, 996,733.35 and 440,102.70
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Solution
The fourth proportional to 664,488.90, 996,733.35 and 440,102.70 is: 660,154.05
Step by Step Solution
- Step 1: Write the proportion equation
664,488.90 : 996,733.35 = 440,102.70 : x - Step 2: Convert to fraction form
664,488.90/996,733.35 = 440,102.70/x - Step 3: Cross multiply
664,488.90x = 996,733.35 × 440,102.70 - Step 4: Simplify right side
664,488.90x = 438,665,038,515.05 - Step 5: Solve for x
x = 438,665,038,515.05/664,488.90 - Step 6: Final answer
x = 660,154.05
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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.