Finding the Fourth Proportional to 619,257.70, 928,886.55 and 264,963.70
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Solution
The fourth proportional to 619,257.70, 928,886.55 and 264,963.70 is: 397,445.55
Step by Step Solution
- Step 1: Write the proportion equation
619,257.70 : 928,886.55 = 264,963.70 : x - Step 2: Convert to fraction form
619,257.70/928,886.55 = 264,963.70/x - Step 3: Cross multiply
619,257.70x = 928,886.55 × 264,963.70 - Step 4: Simplify right side
619,257.70x = 246,121,217,168.24 - Step 5: Solve for x
x = 246,121,217,168.24/619,257.70 - Step 6: Final answer
x = 397,445.55
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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.