Finding the Fourth Proportional to 831,036.08, 1,246,554.11 and 689,318.48
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Solution
The fourth proportional to 831,036.08, 1,246,554.11 and 689,318.48 is: 1,033,977.71
Step by Step Solution
- Step 1: Write the proportion equation
831,036.08 : 1,246,554.11 = 689,318.48 : x - Step 2: Convert to fraction form
831,036.08/1,246,554.11 = 689,318.48/x - Step 3: Cross multiply
831,036.08x = 1,246,554.11 × 689,318.48 - Step 4: Simplify right side
831,036.08x = 859,272,779,833.48 - Step 5: Solve for x
x = 859,272,779,833.48/831,036.08 - Step 6: Final answer
x = 1,033,977.71
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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.