Finding the Fourth Proportional to 817,498.25, 1,226,431.91 and 248,930.19
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Solution
The fourth proportional to 817,498.25, 1,226,431.91 and 248,930.19 is: 373,451.48
Step by Step Solution
- Step 1: Write the proportion equation
817,498.25 : 1,226,431.91 = 248,930.19 : x - Step 2: Convert to fraction form
817,498.25/1,226,431.91 = 248,930.19/x - Step 3: Cross multiply
817,498.25x = 1,226,431.91 × 248,930.19 - Step 4: Simplify right side
817,498.25x = 305,295,928,378.36 - Step 5: Solve for x
x = 305,295,928,378.36/817,498.25 - Step 6: Final answer
x = 373,451.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.