Finding the Fourth Proportional to 687,994.29, 1,031,594.04 and 266,778.09
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Solution
The fourth proportional to 687,994.29, 1,031,594.04 and 266,778.09 is: 400,013.04
Step by Step Solution
- Step 1: Write the proportion equation
687,994.29 : 1,031,594.04 = 266,778.09 : x - Step 2: Convert to fraction form
687,994.29/1,031,594.04 = 266,778.09/x - Step 3: Cross multiply
687,994.29x = 1,031,594.04 × 266,778.09 - Step 4: Simplify right side
687,994.29x = 275,206,687,646.58 - Step 5: Solve for x
x = 275,206,687,646.58/687,994.29 - Step 6: Final answer
x = 400,013.04
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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.