Finding the Fourth Proportional to 688,655.44, 950,343.52 and 382,722.20
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Solution
The fourth proportional to 688,655.44, 950,343.52 and 382,722.20 is: 528,156.09
Step by Step Solution
- Step 1: Write the proportion equation
688,655.44 : 950,343.52 = 382,722.20 : x - Step 2: Convert to fraction form
688,655.44/950,343.52 = 382,722.20/x - Step 3: Cross multiply
688,655.44x = 950,343.52 × 382,722.20 - Step 4: Simplify right side
688,655.44x = 363,717,562,730.14 - Step 5: Solve for x
x = 363,717,562,730.14/688,655.44 - Step 6: Final answer
x = 528,156.09
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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.