Finding the Fourth Proportional to 998,889.04, 1,378,471.44 and 546,179.68
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Solution
The fourth proportional to 998,889.04, 1,378,471.44 and 546,179.68 is: 753,730.45
Step by Step Solution
- Step 1: Write the proportion equation
998,889.04 : 1,378,471.44 = 546,179.68 : x - Step 2: Convert to fraction form
998,889.04/1,378,471.44 = 546,179.68/x - Step 3: Cross multiply
998,889.04x = 1,378,471.44 × 546,179.68 - Step 4: Simplify right side
998,889.04x = 752,893,089,988.34 - Step 5: Solve for x
x = 752,893,089,988.34/998,889.04 - Step 6: Final answer
x = 753,730.45
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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.