Finding the Fourth Proportional to 619,207.80, 928,811.70 and 264,913.80
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Solution
The fourth proportional to 619,207.80, 928,811.70 and 264,913.80 is: 397,370.70
Step by Step Solution
- Step 1: Write the proportion equation
619,207.80 : 928,811.70 = 264,913.80 : x - Step 2: Convert to fraction form
619,207.80/928,811.70 = 264,913.80/x - Step 3: Cross multiply
619,207.80x = 928,811.70 × 264,913.80 - Step 4: Simplify right side
619,207.80x = 246,055,036,931.46 - Step 5: Solve for x
x = 246,055,036,931.46/619,207.80 - Step 6: Final answer
x = 397,370.70
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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.