Finding the Fourth Proportional to 708,170.80, 977,263.08 and 385,883.68
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Solution
The fourth proportional to 708,170.80, 977,263.08 and 385,883.68 is: 532,512.60
Step by Step Solution
- Step 1: Write the proportion equation
708,170.80 : 977,263.08 = 385,883.68 : x - Step 2: Convert to fraction form
708,170.80/977,263.08 = 385,883.68/x - Step 3: Cross multiply
708,170.80x = 977,263.08 × 385,883.68 - Step 4: Simplify right side
708,170.80x = 377,109,873,638.53 - Step 5: Solve for x
x = 377,109,873,638.53/708,170.80 - Step 6: Final answer
x = 532,512.60
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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.