Finding the Fourth Proportional to 558,701.70, 838,052.55 and 292,543.80
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Solution
The fourth proportional to 558,701.70, 838,052.55 and 292,543.80 is: 438,815.70
Step by Step Solution
- Step 1: Write the proportion equation
558,701.70 : 838,052.55 = 292,543.80 : x - Step 2: Convert to fraction form
558,701.70/838,052.55 = 292,543.80/x - Step 3: Cross multiply
558,701.70x = 838,052.55 × 292,543.80 - Step 4: Simplify right side
558,701.70x = 245,167,077,576.69 - Step 5: Solve for x
x = 245,167,077,576.69/558,701.70 - Step 6: Final answer
x = 438,815.70
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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.