Finding the Fourth Proportional to 842,863.92, 1,163,056.68 and 498,710.40
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Solution
The fourth proportional to 842,863.92, 1,163,056.68 and 498,710.40 is: 688,163.83
Step by Step Solution
- Step 1: Write the proportion equation
842,863.92 : 1,163,056.68 = 498,710.40 : x - Step 2: Convert to fraction form
842,863.92/1,163,056.68 = 498,710.40/x - Step 3: Cross multiply
842,863.92x = 1,163,056.68 × 498,710.40 - Step 4: Simplify right side
842,863.92x = 580,028,462,105.47 - Step 5: Solve for x
x = 580,028,462,105.47/842,863.92 - Step 6: Final answer
x = 688,163.83
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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.