Finding the Fourth Proportional to 1,205,926.70, 1,808,890.05 and 307,366.70
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Solution
The fourth proportional to 1,205,926.70, 1,808,890.05 and 307,366.70 is: 461,050.05
Step by Step Solution
- Step 1: Write the proportion equation
1,205,926.70 : 1,808,890.05 = 307,366.70 : x - Step 2: Convert to fraction form
1,205,926.70/1,808,890.05 = 307,366.70/x - Step 3: Cross multiply
1,205,926.70x = 1,808,890.05 × 307,366.70 - Step 4: Simplify right side
1,205,926.70x = 555,992,565,331.34 - Step 5: Solve for x
x = 555,992,565,331.34/1,205,926.70 - Step 6: Final answer
x = 461,050.05
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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.