Finding the Fourth Proportional to 565,527.24, 780,438.24 and 310,878.36
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Solution
The fourth proportional to 565,527.24, 780,438.24 and 310,878.36 is: 429,017.99
Step by Step Solution
- Step 1: Write the proportion equation
565,527.24 : 780,438.24 = 310,878.36 : x - Step 2: Convert to fraction form
565,527.24/780,438.24 = 310,878.36/x - Step 3: Cross multiply
565,527.24x = 780,438.24 × 310,878.36 - Step 4: Simplify right side
565,527.24x = 242,621,360,132.49 - Step 5: Solve for x
x = 242,621,360,132.49/565,527.24 - Step 6: Final answer
x = 429,017.99
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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.