Finding the Fourth Proportional to 640,292.04, 960,604.12 and 340,526.12
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Solution
The fourth proportional to 640,292.04, 960,604.12 and 340,526.12 is: 510,877.50
Step by Step Solution
- Step 1: Write the proportion equation
640,292.04 : 960,604.12 = 340,526.12 : x - Step 2: Convert to fraction form
640,292.04/960,604.12 = 340,526.12/x - Step 3: Cross multiply
640,292.04x = 960,604.12 × 340,526.12 - Step 4: Simplify right side
640,292.04x = 327,110,793,839.61 - Step 5: Solve for x
x = 327,110,793,839.61/640,292.04 - Step 6: Final answer
x = 510,877.50
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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.