Finding the Fourth Proportional to 842,355.54, 1,162,657.19 and 479,992.99
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Solution
The fourth proportional to 842,355.54, 1,162,657.19 and 479,992.99 is: 662,508.02
Step by Step Solution
- Step 1: Write the proportion equation
842,355.54 : 1,162,657.19 = 479,992.99 : x - Step 2: Convert to fraction form
842,355.54/1,162,657.19 = 479,992.99/x - Step 3: Cross multiply
842,355.54x = 1,162,657.19 × 479,992.99 - Step 4: Simplify right side
842,355.54x = 558,067,298,573.13 - Step 5: Solve for x
x = 558,067,298,573.13/842,355.54 - Step 6: Final answer
x = 662,508.02
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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.