Finding the Fourth Proportional to 425,473.05, 587,303.19 and 380,072.19
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Solution
The fourth proportional to 425,473.05, 587,303.19 and 380,072.19 is: 524,633.96
Step by Step Solution
- Step 1: Write the proportion equation
425,473.05 : 587,303.19 = 380,072.19 : x - Step 2: Convert to fraction form
425,473.05/587,303.19 = 380,072.19/x - Step 3: Cross multiply
425,473.05x = 587,303.19 × 380,072.19 - Step 4: Simplify right side
425,473.05x = 223,217,609,617.29 - Step 5: Solve for x
x = 223,217,609,617.29/425,473.05 - Step 6: Final answer
x = 524,633.96
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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.