Finding the Fourth Proportional to 611,852.97, 917,684.69 and 312,554.73
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Solution
The fourth proportional to 611,852.97, 917,684.69 and 312,554.73 is: 468,783.68
Step by Step Solution
- Step 1: Write the proportion equation
611,852.97 : 917,684.69 = 312,554.73 : x - Step 2: Convert to fraction form
611,852.97/917,684.69 = 312,554.73/x - Step 3: Cross multiply
611,852.97x = 917,684.69 × 312,554.73 - Step 4: Simplify right side
611,852.97x = 286,826,688,945.31 - Step 5: Solve for x
x = 286,826,688,945.31/611,852.97 - Step 6: Final answer
x = 468,783.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.