Finding the Fourth Proportional to 765,000.16, 1,145,257.08 and 536,503.84
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Solution
The fourth proportional to 765,000.16, 1,145,257.08 and 536,503.84 is: 803,182.60
Step by Step Solution
- Step 1: Write the proportion equation
765,000.16 : 1,145,257.08 = 536,503.84 : x - Step 2: Convert to fraction form
765,000.16/1,145,257.08 = 536,503.84/x - Step 3: Cross multiply
765,000.16x = 1,145,257.08 × 536,503.84 - Step 4: Simplify right side
765,000.16x = 614,434,821,207.19 - Step 5: Solve for x
x = 614,434,821,207.19/765,000.16 - Step 6: Final answer
x = 803,182.60
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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.