Finding the Fourth Proportional to 805,596.68, 1,111,408.78 and 461,248.58
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Solution
The fourth proportional to 805,596.68, 1,111,408.78 and 461,248.58 is: 636,342.89
Step by Step Solution
- Step 1: Write the proportion equation
805,596.68 : 1,111,408.78 = 461,248.58 : x - Step 2: Convert to fraction form
805,596.68/1,111,408.78 = 461,248.58/x - Step 3: Cross multiply
805,596.68x = 1,111,408.78 × 461,248.58 - Step 4: Simplify right side
805,596.68x = 512,635,721,574.53 - Step 5: Solve for x
x = 512,635,721,574.53/805,596.68 - Step 6: Final answer
x = 636,342.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.