Finding the Fourth Proportional to 411,509.52, 566,620.74 and 360,235.26
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Solution
The fourth proportional to 411,509.52, 566,620.74 and 360,235.26 is: 496,019.56
Step by Step Solution
- Step 1: Write the proportion equation
411,509.52 : 566,620.74 = 360,235.26 : x - Step 2: Convert to fraction form
411,509.52/566,620.74 = 360,235.26/x - Step 3: Cross multiply
411,509.52x = 566,620.74 × 360,235.26 - Step 4: Simplify right side
411,509.52x = 204,116,769,595.29 - Step 5: Solve for x
x = 204,116,769,595.29/411,509.52 - Step 6: Final answer
x = 496,019.56
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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.