Finding the Fourth Proportional to 586,277.20, 879,415.80 and 349,886.80
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Solution
The fourth proportional to 586,277.20, 879,415.80 and 349,886.80 is: 524,830.20
Step by Step Solution
- Step 1: Write the proportion equation
586,277.20 : 879,415.80 = 349,886.80 : x - Step 2: Convert to fraction form
586,277.20/879,415.80 = 349,886.80/x - Step 3: Cross multiply
586,277.20x = 879,415.80 × 349,886.80 - Step 4: Simplify right side
586,277.20x = 307,695,980,131.44 - Step 5: Solve for x
x = 307,695,980,131.44/586,277.20 - Step 6: Final answer
x = 524,830.20
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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.