Finding the Fourth Proportional to 873,798.12, 1,310,258.79 and 509,177.84
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Solution
The fourth proportional to 873,798.12, 1,310,258.79 and 509,177.84 is: 763,511.29
Step by Step Solution
- Step 1: Write the proportion equation
873,798.12 : 1,310,258.79 = 509,177.84 : x - Step 2: Convert to fraction form
873,798.12/1,310,258.79 = 509,177.84/x - Step 3: Cross multiply
873,798.12x = 1,310,258.79 × 509,177.84 - Step 4: Simplify right side
873,798.12x = 667,154,733,981.92 - Step 5: Solve for x
x = 667,154,733,981.92/873,798.12 - Step 6: Final answer
x = 763,511.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.