Finding the Fourth Proportional to 808,828.84, 1,116,188.58 and 446,246.92
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Solution
The fourth proportional to 808,828.84, 1,116,188.58 and 446,246.92 is: 615,823.39
Step by Step Solution
- Step 1: Write the proportion equation
808,828.84 : 1,116,188.58 = 446,246.92 : x - Step 2: Convert to fraction form
808,828.84/1,116,188.58 = 446,246.92/x - Step 3: Cross multiply
808,828.84x = 1,116,188.58 × 446,246.92 - Step 4: Simplify right side
808,828.84x = 498,095,715,964.17 - Step 5: Solve for x
x = 498,095,715,964.17/808,828.84 - Step 6: Final answer
x = 615,823.39
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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.