Finding the Fourth Proportional to 707,787.18, 977,395.41 and 449,749.17
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Solution
The fourth proportional to 707,787.18, 977,395.41 and 449,749.17 is: 621,066.31
Step by Step Solution
- Step 1: Write the proportion equation
707,787.18 : 977,395.41 = 449,749.17 : x - Step 2: Convert to fraction form
707,787.18/977,395.41 = 449,749.17/x - Step 3: Cross multiply
707,787.18x = 977,395.41 × 449,749.17 - Step 4: Simplify right side
707,787.18x = 439,582,774,409.31 - Step 5: Solve for x
x = 439,582,774,409.31/707,787.18 - Step 6: Final answer
x = 621,066.31
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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.