Finding the Fourth Proportional to 717,408.99, 1,075,375.35 and 318,237.75
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Solution
The fourth proportional to 717,408.99, 1,075,375.35 and 318,237.75 is: 477,029.19
Step by Step Solution
- Step 1: Write the proportion equation
717,408.99 : 1,075,375.35 = 318,237.75 : x - Step 2: Convert to fraction form
717,408.99/1,075,375.35 = 318,237.75/x - Step 3: Cross multiply
717,408.99x = 1,075,375.35 × 318,237.75 - Step 4: Simplify right side
717,408.99x = 342,225,031,789.46 - Step 5: Solve for x
x = 342,225,031,789.46/717,408.99 - Step 6: Final answer
x = 477,029.19
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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.