Finding the Fourth Proportional to 856,521.06, 1,283,379.93 and 518,537.31
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Solution
The fourth proportional to 856,521.06, 1,283,379.93 and 518,537.31 is: 776,957.40
Step by Step Solution
- Step 1: Write the proportion equation
856,521.06 : 1,283,379.93 = 518,537.31 : x - Step 2: Convert to fraction form
856,521.06/1,283,379.93 = 518,537.31/x - Step 3: Cross multiply
856,521.06x = 1,283,379.93 × 518,537.31 - Step 4: Simplify right side
856,521.06x = 665,480,376,610.19 - Step 5: Solve for x
x = 665,480,376,610.19/856,521.06 - Step 6: Final answer
x = 776,957.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.