Finding the Fourth Proportional to 472,550.12, 708,288.74 and 415,513.63
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Solution
The fourth proportional to 472,550.12, 708,288.74 and 415,513.63 is: 622,798.75
Step by Step Solution
- Step 1: Write the proportion equation
472,550.12 : 708,288.74 = 415,513.63 : x - Step 2: Convert to fraction form
472,550.12/708,288.74 = 415,513.63/x - Step 3: Cross multiply
472,550.12x = 708,288.74 × 415,513.63 - Step 4: Simplify right side
472,550.12x = 294,303,623,904.15 - Step 5: Solve for x
x = 294,303,623,904.15/472,550.12 - Step 6: Final answer
x = 622,798.75
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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.