Finding the Fourth Proportional to 686,880.24, 948,250.80 and 533,574.96
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Solution
The fourth proportional to 686,880.24, 948,250.80 and 533,574.96 is: 736,610.04
Step by Step Solution
- Step 1: Write the proportion equation
686,880.24 : 948,250.80 = 533,574.96 : x - Step 2: Convert to fraction form
686,880.24/948,250.80 = 533,574.96/x - Step 3: Cross multiply
686,880.24x = 948,250.80 × 533,574.96 - Step 4: Simplify right side
686,880.24x = 505,962,882,679.97 - Step 5: Solve for x
x = 505,962,882,679.97/686,880.24 - Step 6: Final answer
x = 736,610.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.