Finding the Fourth Proportional to 842,686.26, 1,162,934.61 and 480,125.40
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Solution
The fourth proportional to 842,686.26, 1,162,934.61 and 480,125.40 is: 662,588.76
Step by Step Solution
- Step 1: Write the proportion equation
842,686.26 : 1,162,934.61 = 480,125.40 : x - Step 2: Convert to fraction form
842,686.26/1,162,934.61 = 480,125.40/x - Step 3: Cross multiply
842,686.26x = 1,162,934.61 × 480,125.40 - Step 4: Simplify right side
842,686.26x = 558,354,444,800.09 - Step 5: Solve for x
x = 558,354,444,800.09/842,686.26 - Step 6: Final answer
x = 662,588.76
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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.