Finding the Fourth Proportional to 624,506.80, 861,588.84 and 409,766.08
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Solution
The fourth proportional to 624,506.80, 861,588.84 and 409,766.08 is: 565,325.92
Step by Step Solution
- Step 1: Write the proportion equation
624,506.80 : 861,588.84 = 409,766.08 : x - Step 2: Convert to fraction form
624,506.80/861,588.84 = 409,766.08/x - Step 3: Cross multiply
624,506.80x = 861,588.84 × 409,766.08 - Step 4: Simplify right side
624,506.80x = 353,049,881,538.55 - Step 5: Solve for x
x = 353,049,881,538.55/624,506.80 - Step 6: Final answer
x = 565,325.92
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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.