Finding the Fourth Proportional to 882,276.57, 1,216,855.26 and 638,177.00
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Solution
The fourth proportional to 882,276.57, 1,216,855.26 and 638,177.00 is: 880,187.75
Step by Step Solution
- Step 1: Write the proportion equation
882,276.57 : 1,216,855.26 = 638,177.00 : x - Step 2: Convert to fraction form
882,276.57/1,216,855.26 = 638,177.00/x - Step 3: Cross multiply
882,276.57x = 1,216,855.26 × 638,177.00 - Step 4: Simplify right side
882,276.57x = 776,569,033,176.74 - Step 5: Solve for x
x = 776,569,033,176.74/882,276.57 - Step 6: Final answer
x = 880,187.75
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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.