Finding the Fourth Proportional to 878,461.52, 1,212,276.84 and 476,053.52
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Solution
The fourth proportional to 878,461.52, 1,212,276.84 and 476,053.52 is: 656,953.83
Step by Step Solution
- Step 1: Write the proportion equation
878,461.52 : 1,212,276.84 = 476,053.52 : x - Step 2: Convert to fraction form
878,461.52/1,212,276.84 = 476,053.52/x - Step 3: Cross multiply
878,461.52x = 1,212,276.84 × 476,053.52 - Step 4: Simplify right side
878,461.52x = 577,108,656,896.48 - Step 5: Solve for x
x = 577,108,656,896.48/878,461.52 - Step 6: Final answer
x = 656,953.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.