Finding the Fourth Proportional to 687,835.44, 1,031,053.32 and 636,922.08
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Solution
The fourth proportional to 687,835.44, 1,031,053.32 and 636,922.08 is: 954,735.08
Step by Step Solution
- Step 1: Write the proportion equation
687,835.44 : 1,031,053.32 = 636,922.08 : x - Step 2: Convert to fraction form
687,835.44/1,031,053.32 = 636,922.08/x - Step 3: Cross multiply
687,835.44x = 1,031,053.32 × 636,922.08 - Step 4: Simplify right side
687,835.44x = 656,700,625,165.31 - Step 5: Solve for x
x = 656,700,625,165.31/687,835.44 - Step 6: Final answer
x = 954,735.08
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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.