Finding the Fourth Proportional to 878,218.52, 1,211,925.84 and 496,237.12
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Solution
The fourth proportional to 878,218.52, 1,211,925.84 and 496,237.12 is: 684,798.34
Step by Step Solution
- Step 1: Write the proportion equation
878,218.52 : 1,211,925.84 = 496,237.12 : x - Step 2: Convert to fraction form
878,218.52/1,211,925.84 = 496,237.12/x - Step 3: Cross multiply
878,218.52x = 1,211,925.84 × 496,237.12 - Step 4: Simplify right side
878,218.52x = 601,402,588,495.18 - Step 5: Solve for x
x = 601,402,588,495.18/878,218.52 - Step 6: Final answer
x = 684,798.34
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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.