Finding the Fourth Proportional to 717,242.86, 1,075,056.92 and 312,775.44
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Solution
The fourth proportional to 717,242.86, 1,075,056.92 and 312,775.44 is: 468,811.08
Step by Step Solution
- Step 1: Write the proportion equation
717,242.86 : 1,075,056.92 = 312,775.44 : x - Step 2: Convert to fraction form
717,242.86/1,075,056.92 = 312,775.44/x - Step 3: Cross multiply
717,242.86x = 1,075,056.92 × 312,775.44 - Step 4: Simplify right side
717,242.86x = 336,251,401,178.05 - Step 5: Solve for x
x = 336,251,401,178.05/717,242.86 - Step 6: Final answer
x = 468,811.08
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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.