Finding the Fourth Proportional to 892,518.99, 1,231,642.58 and 484,612.02
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Solution
The fourth proportional to 892,518.99, 1,231,642.58 and 484,612.02 is: 668,746.32
Step by Step Solution
- Step 1: Write the proportion equation
892,518.99 : 1,231,642.58 = 484,612.02 : x - Step 2: Convert to fraction form
892,518.99/1,231,642.58 = 484,612.02/x - Step 3: Cross multiply
892,518.99x = 1,231,642.58 × 484,612.02 - Step 4: Simplify right side
892,518.99x = 596,868,790,030.54 - Step 5: Solve for x
x = 596,868,790,030.54/892,518.99 - Step 6: Final answer
x = 668,746.32
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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.