Finding the Fourth Proportional to 701,963.76, 968,710.18 and 396,104.96
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Solution
The fourth proportional to 701,963.76, 968,710.18 and 396,104.96 is: 546,624.95
Step by Step Solution
- Step 1: Write the proportion equation
701,963.76 : 968,710.18 = 396,104.96 : x - Step 2: Convert to fraction form
701,963.76/968,710.18 = 396,104.96/x - Step 3: Cross multiply
701,963.76x = 968,710.18 × 396,104.96 - Step 4: Simplify right side
701,963.76x = 383,710,908,532.01 - Step 5: Solve for x
x = 383,710,908,532.01/701,963.76 - Step 6: Final answer
x = 546,624.95
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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.