Finding the Fourth Proportional to 470,594.08, 648,972.84 and 309,585.52
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Solution
The fourth proportional to 470,594.08, 648,972.84 and 309,585.52 is: 426,933.96
Step by Step Solution
- Step 1: Write the proportion equation
470,594.08 : 648,972.84 = 309,585.52 : x - Step 2: Convert to fraction form
470,594.08/648,972.84 = 309,585.52/x - Step 3: Cross multiply
470,594.08x = 648,972.84 × 309,585.52 - Step 4: Simplify right side
470,594.08x = 200,912,594,137.28 - Step 5: Solve for x
x = 200,912,594,137.28/470,594.08 - Step 6: Final answer
x = 426,933.96
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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.