Finding the Fourth Proportional to 997,865.64, 1,377,054.27 and 538,979.99
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Solution
The fourth proportional to 997,865.64, 1,377,054.27 and 538,979.99 is: 743,792.21
Step by Step Solution
- Step 1: Write the proportion equation
997,865.64 : 1,377,054.27 = 538,979.99 : x - Step 2: Convert to fraction form
997,865.64/1,377,054.27 = 538,979.99/x - Step 3: Cross multiply
997,865.64x = 1,377,054.27 × 538,979.99 - Step 4: Simplify right side
997,865.64x = 742,204,689,788.79 - Step 5: Solve for x
x = 742,204,689,788.79/997,865.64 - Step 6: Final answer
x = 743,792.21
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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.