Finding the Fourth Proportional to 998,898.54, 1,378,484.55 and 546,189.18
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Solution
The fourth proportional to 998,898.54, 1,378,484.55 and 546,189.18 is: 753,743.56
Step by Step Solution
- Step 1: Write the proportion equation
998,898.54 : 1,378,484.55 = 546,189.18 : x - Step 2: Convert to fraction form
998,898.54/1,378,484.55 = 546,189.18/x - Step 3: Cross multiply
998,898.54x = 1,378,484.55 × 546,189.18 - Step 4: Simplify right side
998,898.54x = 752,913,346,007.17 - Step 5: Solve for x
x = 752,913,346,007.17/998,898.54 - Step 6: Final answer
x = 753,743.56
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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.