Finding the Fourth Proportional to 504,449.57, 695,746.77 and 323,178.39
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Solution
The fourth proportional to 504,449.57, 695,746.77 and 323,178.39 is: 445,733.99
Step by Step Solution
- Step 1: Write the proportion equation
504,449.57 : 695,746.77 = 323,178.39 : x - Step 2: Convert to fraction form
504,449.57/695,746.77 = 323,178.39/x - Step 3: Cross multiply
504,449.57x = 695,746.77 × 323,178.39 - Step 4: Simplify right side
504,449.57x = 224,850,319,764.38 - Step 5: Solve for x
x = 224,850,319,764.38/504,449.57 - Step 6: Final answer
x = 445,733.99
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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.