Finding the Fourth Proportional to 434,570.70, 608,813.70 and 434,570.70
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Solution
The fourth proportional to 434,570.70, 608,813.70 and 434,570.70 is: 608,813.70
Step by Step Solution
- Step 1: Write the proportion equation
434,570.70 : 608,813.70 = 434,570.70 : x - Step 2: Convert to fraction form
434,570.70/608,813.70 = 434,570.70/x - Step 3: Cross multiply
434,570.70x = 608,813.70 × 434,570.70 - Step 4: Simplify right side
434,570.70x = 264,572,595,778.59 - Step 5: Solve for x
x = 264,572,595,778.59/434,570.70 - Step 6: Final answer
x = 608,813.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.