Finding the Fourth Proportional to 575,140.74, 862,711.72 and 574,310.09
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Solution
The fourth proportional to 575,140.74, 862,711.72 and 574,310.09 is: 861,465.74
Step by Step Solution
- Step 1: Write the proportion equation
575,140.74 : 862,711.72 = 574,310.09 : x - Step 2: Convert to fraction form
575,140.74/862,711.72 = 574,310.09/x - Step 3: Cross multiply
575,140.74x = 862,711.72 × 574,310.09 - Step 4: Simplify right side
575,140.74x = 495,464,041,243.70 - Step 5: Solve for x
x = 495,464,041,243.70/575,140.74 - Step 6: Final answer
x = 861,465.74
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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.