Finding the Fourth Proportional to 453,800.70, 680,701.05 and 433,133.55
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Solution
The fourth proportional to 453,800.70, 680,701.05 and 433,133.55 is: 649,700.33
Step by Step Solution
- Step 1: Write the proportion equation
453,800.70 : 680,701.05 = 433,133.55 : x - Step 2: Convert to fraction form
453,800.70/680,701.05 = 433,133.55/x - Step 3: Cross multiply
453,800.70x = 680,701.05 × 433,133.55 - Step 4: Simplify right side
453,800.70x = 294,834,462,275.23 - Step 5: Solve for x
x = 294,834,462,275.23/453,800.70 - Step 6: Final answer
x = 649,700.33
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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.