Finding the Fourth Proportional to 808,721.96, 1,212,875.24 and 239,968.53
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Solution
The fourth proportional to 808,721.96, 1,212,875.24 and 239,968.53 is: 359,891.17
Step by Step Solution
- Step 1: Write the proportion equation
808,721.96 : 1,212,875.24 = 239,968.53 : x - Step 2: Convert to fraction form
808,721.96/1,212,875.24 = 239,968.53/x - Step 3: Cross multiply
808,721.96x = 1,212,875.24 × 239,968.53 - Step 4: Simplify right side
808,721.96x = 291,051,887,216.36 - Step 5: Solve for x
x = 291,051,887,216.36/808,721.96 - Step 6: Final answer
x = 359,891.17
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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.