Finding the Fourth Proportional to 673,177.88, 928,964.15 and 382,820.99
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Solution
The fourth proportional to 673,177.88, 928,964.15 and 382,820.99 is: 528,280.84
Step by Step Solution
- Step 1: Write the proportion equation
673,177.88 : 928,964.15 = 382,820.99 : x - Step 2: Convert to fraction form
673,177.88/928,964.15 = 382,820.99/x - Step 3: Cross multiply
673,177.88x = 928,964.15 × 382,820.99 - Step 4: Simplify right side
673,177.88x = 355,626,973,937.78 - Step 5: Solve for x
x = 355,626,973,937.78/673,177.88 - Step 6: Final answer
x = 528,280.84
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1.5x scale
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.