Finding the Fourth Proportional to 433,438.05, 597,882.96 and 286,263.81
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Solution
The fourth proportional to 433,438.05, 597,882.96 and 286,263.81 is: 394,871.32
Step by Step Solution
- Step 1: Write the proportion equation
433,438.05 : 597,882.96 = 286,263.81 : x - Step 2: Convert to fraction form
433,438.05/597,882.96 = 286,263.81/x - Step 3: Cross multiply
433,438.05x = 597,882.96 × 286,263.81 - Step 4: Simplify right side
433,438.05x = 171,152,254,063.68 - Step 5: Solve for x
x = 171,152,254,063.68/433,438.05 - Step 6: Final answer
x = 394,871.32
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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.