Finding the Fourth Proportional to 586,292.20, 879,438.30 and 349,901.80
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Solution
The fourth proportional to 586,292.20, 879,438.30 and 349,901.80 is: 524,852.70
Step by Step Solution
- Step 1: Write the proportion equation
586,292.20 : 879,438.30 = 349,901.80 : x - Step 2: Convert to fraction form
586,292.20/879,438.30 = 349,901.80/x - Step 3: Cross multiply
586,292.20x = 879,438.30 × 349,901.80 - Step 4: Simplify right side
586,292.20x = 307,717,044,158.94 - Step 5: Solve for x
x = 307,717,044,158.94/586,292.20 - Step 6: Final answer
x = 524,852.70
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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.