Finding the Fourth Proportional to 586,296.80, 879,445.20 and 523,311.20
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Solution
The fourth proportional to 586,296.80, 879,445.20 and 523,311.20 is: 784,966.80
Step by Step Solution
- Step 1: Write the proportion equation
586,296.80 : 879,445.20 = 523,311.20 : x - Step 2: Convert to fraction form
586,296.80/879,445.20 = 523,311.20/x - Step 3: Cross multiply
586,296.80x = 879,445.20 × 523,311.20 - Step 4: Simplify right side
586,296.80x = 460,223,522,946.24 - Step 5: Solve for x
x = 460,223,522,946.24/586,296.80 - Step 6: Final answer
x = 784,966.80
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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.