Finding the Fourth Proportional to 560,617.80, 840,926.70 and 324,421.80
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Solution
The fourth proportional to 560,617.80, 840,926.70 and 324,421.80 is: 486,632.70
Step by Step Solution
- Step 1: Write the proportion equation
560,617.80 : 840,926.70 = 324,421.80 : x - Step 2: Convert to fraction form
560,617.80/840,926.70 = 324,421.80/x - Step 3: Cross multiply
560,617.80x = 840,926.70 × 324,421.80 - Step 4: Simplify right side
560,617.80x = 272,814,953,682.06 - Step 5: Solve for x
x = 272,814,953,682.06/560,617.80 - Step 6: Final answer
x = 486,632.70
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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.