Finding the Fourth Proportional to 536,675.70, 805,013.55 and 326,723.70
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Solution
The fourth proportional to 536,675.70, 805,013.55 and 326,723.70 is: 490,085.55
Step by Step Solution
- Step 1: Write the proportion equation
536,675.70 : 805,013.55 = 326,723.70 : x - Step 2: Convert to fraction form
536,675.70/805,013.55 = 326,723.70/x - Step 3: Cross multiply
536,675.70x = 805,013.55 × 326,723.70 - Step 4: Simplify right side
536,675.70x = 263,017,005,606.14 - Step 5: Solve for x
x = 263,017,005,606.14/536,675.70 - Step 6: Final answer
x = 490,085.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.