Finding the Fourth Proportional to 694,947.98, 958,533.83 and 637,771.94
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Solution
The fourth proportional to 694,947.98, 958,533.83 and 637,771.94 is: 879,671.57
Step by Step Solution
- Step 1: Write the proportion equation
694,947.98 : 958,533.83 = 637,771.94 : x - Step 2: Convert to fraction form
694,947.98/958,533.83 = 637,771.94/x - Step 3: Cross multiply
694,947.98x = 958,533.83 × 637,771.94 - Step 4: Simplify right side
694,947.98x = 611,325,977,873.55 - Step 5: Solve for x
x = 611,325,977,873.55/694,947.98 - Step 6: Final answer
x = 879,671.57
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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.