Finding the Fourth Proportional to 828,447.19, 1,143,263.76 and 460,929.63
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Solution
The fourth proportional to 828,447.19, 1,143,263.76 and 460,929.63 is: 636,086.58
Step by Step Solution
- Step 1: Write the proportion equation
828,447.19 : 1,143,263.76 = 460,929.63 : x - Step 2: Convert to fraction form
828,447.19/1,143,263.76 = 460,929.63/x - Step 3: Cross multiply
828,447.19x = 1,143,263.76 × 460,929.63 - Step 4: Simplify right side
828,447.19x = 526,964,141,889.21 - Step 5: Solve for x
x = 526,964,141,889.21/828,447.19 - Step 6: Final answer
x = 636,086.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.