Finding the Fourth Proportional to 586,859.80, 880,289.70 and 271,931.80
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Solution
The fourth proportional to 586,859.80, 880,289.70 and 271,931.80 is: 407,897.70
Step by Step Solution
- Step 1: Write the proportion equation
586,859.80 : 880,289.70 = 271,931.80 : x - Step 2: Convert to fraction form
586,859.80/880,289.70 = 271,931.80/x - Step 3: Cross multiply
586,859.80x = 880,289.70 × 271,931.80 - Step 4: Simplify right side
586,859.80x = 239,378,762,642.46 - Step 5: Solve for x
x = 239,378,762,642.46/586,859.80 - Step 6: Final answer
x = 407,897.70
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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.