Finding the Fourth Proportional to 519,701.70, 778,969.35 and 295,169.70
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Solution
The fourth proportional to 519,701.70, 778,969.35 and 295,169.70 is: 442,423.32
Step by Step Solution
- Step 1: Write the proportion equation
519,701.70 : 778,969.35 = 295,169.70 : x - Step 2: Convert to fraction form
519,701.70/778,969.35 = 295,169.70/x - Step 3: Cross multiply
519,701.70x = 778,969.35 × 295,169.70 - Step 4: Simplify right side
519,701.70x = 229,928,149,348.70 - Step 5: Solve for x
x = 229,928,149,348.70/519,701.70 - Step 6: Final answer
x = 442,423.32
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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.